1020122200 has 24 divisors (see below), whose sum is σ = 2371784580. Its totient is φ = 408048800.

The previous prime is 1020122161. The next prime is 1020122203. The reversal of 1020122200 is 22210201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020122203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2550106 + ... + 2550505.

Almost surely, 2^1020122200 is an apocalyptic number.

1020122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020122200 is an abundant number, since it is smaller than the sum of its proper divisors (1351662380).

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

1020122200 is a wasteful number, since it uses less digits than its factorization.

1020122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100627 (or 5100618 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1020122200 is about 31939.3519032556. The cubic root of 1020122200 is about 1006.6629070709.

Adding to 1020122200 its reverse (22210201), we get a palindrome (1042332401).

The spelling of 1020122200 in words is "one billion, twenty million, one hundred twenty-two thousand, two hundred".