10112020 has 12 divisors (see below), whose sum is σ = 21235284. Its totient is φ = 4044800.

The previous prime is 10111993. The next prime is 10112027. The reversal of 10112020 is 2021101.

It can be written as a sum of positive squares in 2 ways, for example, as 2702736 + 7409284 = 1644^2 + 2722^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10111994 and 10112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252781 + ... + 252820.

It is an arithmetic number, because the mean of its divisors is an integer number (1769607).

Almost surely, 2^10112020 is an apocalyptic number.

10112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112020 is an abundant number, since it is smaller than the sum of its proper divisors (11123264).

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

10112020 is a wasteful number, since it uses less digits than its factorization.

10112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505610 (or 505608 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 10112020 is about 3179.9402510110. The cubic root of 10112020 is about 216.2449495964.

Adding to 10112020 its reverse (2021101), we get a palindrome (12133121).

It can be divided in two parts, 101 and 12020, that added together give a palindrome (12121).

The spelling of 10112020 in words is "ten million, one hundred twelve thousand, twenty".