22102010020 has 24 divisors (see below), whose sum is σ = 46452410424. Its totient is φ = 8833529856.

The previous prime is 22102010003. The next prime is 22102010059. The reversal of 22102010020 is 2001020122.

It can be written as a sum of positive squares in 4 ways, for example, as 1035809856 + 21066200164 = 32184^2 + 145142^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22102009979 and 22102010006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429687 + ... + 478366.

It is an arithmetic number, because the mean of its divisors is an integer number (1935517101).

Almost surely, 2^22102010020 is an apocalyptic number.

22102010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102010020 is an abundant number, since it is smaller than the sum of its proper divisors (24350400404).

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

22102010020 is a wasteful number, since it uses less digits than its factorization.

22102010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909279 (or 909277 counting only the distinct ones).

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

Adding to 22102010020 its reverse (2001020122), we get a palindrome (24103030142).

The spelling of 22102010020 in words is "twenty-two billion, one hundred two million, ten thousand, twenty".