20031910272 has 96 divisors (see below), whose sum is σ = 62884303560. Its totient is φ = 6070272000.

The previous prime is 20031910267. The next prime is 20031910289. The reversal of 20031910272 is 27201913002.

20031910272 is a `hidden beast` number, since 200 + 3 + 191 + 0 + 272 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×20031910272² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 777729 + ... + 803072.

Almost surely, 2^20031910272 is an apocalyptic number.

20031910272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20031910272 is an abundant number, since it is smaller than the sum of its proper divisors (42852393288).

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

20031910272 is a wasteful number, since it uses less digits than its factorization.

20031910272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580832 (or 1580817 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 20031910272 in words is "twenty billion, thirty-one million, nine hundred ten thousand, two hundred seventy-two".