20346513100232 has 128 divisors (see below), whose sum is σ = 43374683520000. Its totient is φ = 8862813523200.

The previous prime is 20346513100213. The next prime is 20346513100283. The reversal of 20346513100232 is 23200131564302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1983279119 + ... + 1983289377.

It is an arithmetic number, because the mean of its divisors is an integer number (338864715000).

Almost surely, 2^{20346513100232} is an apocalyptic number.

20346513100232 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 20346513100232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21687341760000).

20346513100232 is an abundant number, since it is smaller than the sum of its proper divisors (23028170419768).

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

20346513100232 is a wasteful number, since it uses less digits than its factorization.

20346513100232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16035 (or 16031 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 20346513100232 its reverse (23200131564302), we get a palindrome (43546644664534).

The spelling of 20346513100232 in words is "twenty trillion, three hundred forty-six billion, five hundred thirteen million, one hundred thousand, two hundred thirty-two".