10020010320 has 120 divisors (see below), whose sum is σ = 33668628552. Its totient is φ = 2670566400.

The previous prime is 10020010291. The next prime is 10020010337. The reversal of 10020010320 is 2301002001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 121352256 + 9898658064 = 11016^2 + 99492^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2489910 + ... + 2493930.

Almost surely, 2^10020010320 is an apocalyptic number.

10020010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020010320 is an abundant number, since it is smaller than the sum of its proper divisors (23648618232).

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

10020010320 is a wasteful number, since it uses less digits than its factorization.

10020010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501 (or 7492 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10020010320 its reverse (2301002001), we get a palindrome (12321012321).

The spelling of 10020010320 in words is "ten billion, twenty million, ten thousand, three hundred twenty".