20200012031232 has 648 divisors, whose sum is σ = 66308984469000. Its totient is φ = 5902662205440.

The previous prime is 20200012031209. The next prime is 20200012031299. The reversal of 20200012031232 is 23213021000202.

20200012031232 is a `hidden beast` number, since 2 + 0 + 200 + 0 + 120 + 312 + 32 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2858317710336 + 17341694320896 = 1690656^2 + 4164336^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12523255258 + ... + 12523256870.

Almost surely, 2^{20200012031232} is an apocalyptic number.

20200012031232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200012031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33154492234500).

20200012031232 is an abundant number, since it is smaller than the sum of its proper divisors (46108972437768).

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

20200012031232 is a wasteful number, since it uses less digits than its factorization.

20200012031232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235 (or 3207 counting only the distinct ones).

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

Adding to 20200012031232 its reverse (23213021000202), we get a palindrome (43413033031434).

The spelling of 20200012031232 in words is "twenty trillion, two hundred billion, twelve million, thirty-one thousand, two hundred thirty-two".