22403131020 has 36 divisors (see below), whose sum is σ = 67956164640. Its totient is φ = 5974168224.

The previous prime is 22403131013. The next prime is 22403131123. The reversal of 22403131020 is 2013130422.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22403130984 and 22403131002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62230740 + ... + 62231099.

It is an arithmetic number, because the mean of its divisors is an integer number (1887671240).

Almost surely, 2^22403131020 is an apocalyptic number.

22403131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22403131020 is an abundant number, since it is smaller than the sum of its proper divisors (45553033620).

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

22403131020 is a wasteful number, since it uses less digits than its factorization.

22403131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124461854 (or 124461849 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22403131020 its reverse (2013130422), we get a palindrome (24416261442).

The spelling of 22403131020 in words is "twenty-two billion, four hundred three million, one hundred thirty-one thousand, twenty".