20031232232 has 32 divisors (see below), whose sum is σ = 41378666400. Its totient is φ = 9014952000.

The previous prime is 20031232223. The next prime is 20031232241. The reversal of 20031232232 is 23223213002.

It is an interprime number because it is at equal distance from previous prime (20031232223) and next prime (20031232241).

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, 1117982 + ... + 1135757.

It is an arithmetic number, because the mean of its divisors is an integer number (1293083325).

Almost surely, 2^20031232232 is an apocalyptic number.

20031232232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20031232232 is an abundant number, since it is smaller than the sum of its proper divisors (21347434168).

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

20031232232 is a wasteful number, since it uses less digits than its factorization.

20031232232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253857 (or 2253853 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20031232232 its reverse (23223213002), we get a palindrome (43254445234).

The spelling of 20031232232 in words is "twenty billion, thirty-one million, two hundred thirty-two thousand, two hundred thirty-two".