10020022012 has 96 divisors (see below), whose sum is σ = 23787187200. Its totient is φ = 3566315520.

The previous prime is 10020021983. The next prime is 10020022043. The reversal of 10020022012 is 21022002001.

It is a super-2 number, since 2×10020022012² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10020022012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375489 + ... + 401287.

It is an arithmetic number, because the mean of its divisors is an integer number (247783200).

Almost surely, 2^10020022012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020022012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11893593600).

10020022012 is an abundant number, since it is smaller than the sum of its proper divisors (13767165188).

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

10020022012 is a wasteful number, since it uses less digits than its factorization.

10020022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25931 (or 25929 counting only the distinct ones).

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

Adding to 10020022012 its reverse (21022002001), we get a palindrome (31042024013).

The spelling of 10020022012 in words is "ten billion, twenty million, twenty-two thousand, twelve".