10020021120 has 96 divisors (see below), whose sum is σ = 34600405320. Its totient is φ = 2672004096.

The previous prime is 10020021107. The next prime is 10020021149. The reversal of 10020021120 is 2112002001.

It is a tau number, because it is divible by the number of its divisors (96).

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 11 ways as a sum of consecutive naturals, for example, 864034 + ... + 875553.

Almost surely, 2^10020021120 is an apocalyptic number.

10020021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020021120 is an abundant number, since it is smaller than the sum of its proper divisors (24580384200).

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

10020021120 is a wasteful number, since it uses less digits than its factorization.

10020021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739612 (or 1739597 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10020021120 its reverse (2112002001), we get a palindrome (12132023121).

The spelling of 10020021120 in words is "ten billion, twenty million, twenty-one thousand, one hundred twenty".