20010032512320 has 56 divisors (see below), whose sum is σ = 63531853229664. Its totient is φ = 5336008669696.

The previous prime is 20010032512307. The next prime is 20010032512399. The reversal of 20010032512320 is 2321523001002.

It is a super-2 number, since 2×20010032512320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 10421890974 + ... + 10421892893.

Almost surely, 2^{20010032512320} is an apocalyptic number.

20010032512320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010032512320 is an abundant number, since it is smaller than the sum of its proper divisors (43521820717344).

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

20010032512320 is a wasteful number, since it uses less digits than its factorization.

20010032512320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20843783887 (or 20843783877 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20010032512320 its reverse (2321523001002), we get a palindrome (22331555513322).

The spelling of 20010032512320 in words is "twenty trillion, ten billion, thirty-two million, five hundred twelve thousand, three hundred twenty".