20624172232 has 32 divisors (see below), whose sum is σ = 39006547200. Its totient is φ = 10222749504.

The previous prime is 20624172203. The next prime is 20624172253. The reversal of 20624172232 is 23227142602.

It is a super-3 number, since 3×20624172232³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20624172194 and 20624172203.

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 7 ways as a sum of consecutive naturals, for example, 497769 + ... + 537607.

It is an arithmetic number, because the mean of its divisors is an integer number (1218954600).

Almost surely, 2^20624172232 is an apocalyptic number.

It is an amenable number.

20624172232 is a deficient number, since it is larger than the sum of its proper divisors (18382374968).

20624172232 is a wasteful number, since it uses less digits than its factorization.

20624172232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40405 (or 40401 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 20624172232 in words is "twenty billion, six hundred twenty-four million, one hundred seventy-two thousand, two hundred thirty-two".