246121220 has 12 divisors (see below), whose sum is σ = 516854604. Its totient is φ = 98448480.

The previous prime is 246121219. The next prime is 246121243. The reversal of 246121220 is 22121642.

It is a happy number.

246121220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59197636 + 186923584 = 7694^2 + 13672^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 12306061 = 246121220 / (2 + 4 + 6 + 1 + 2 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 246121192 and 246121201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6153011 + ... + 6153050.

It is an arithmetic number, because the mean of its divisors is an integer number (43071217).

Almost surely, 2^246121220 is an apocalyptic number.

246121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

246121220 is an abundant number, since it is smaller than the sum of its proper divisors (270733384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

246121220 is a wasteful number, since it uses less digits than its factorization.

246121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12306070 (or 12306068 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 246121220 is about 15688.2510178796. The cubic root of 246121220 is about 626.6855578783.

Adding to 246121220 its reverse (22121642), we get a palindrome (268242862).

The spelling of 246121220 in words is "two hundred forty-six million, one hundred twenty-one thousand, two hundred twenty".