22102031020 has 24 divisors (see below), whose sum is σ = 47107018224. Its totient is φ = 8708859456.

The previous prime is 22102030999. The next prime is 22102031023. The reversal of 22102031020 is 2013020122.

It is not an unprimeable number, because it can be changed into a prime (22102031023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8245687 + ... + 8248366.

It is an arithmetic number, because the mean of its divisors is an integer number (1962792426).

Almost surely, 2^22102031020 is an apocalyptic number.

22102031020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102031020 is an abundant number, since it is smaller than the sum of its proper divisors (25004987204).

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

22102031020 is a wasteful number, since it uses less digits than its factorization.

22102031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16494129 (or 16494127 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22102031020 its reverse (2013020122), we get a palindrome (24115051142).

The spelling of 22102031020 in words is "twenty-two billion, one hundred two million, thirty-one thousand, twenty".