20346502100432 has 40 divisors (see below), whose sum is σ = 39868385194560. Its totient is φ = 10058205703680.

The previous prime is 20346502100411. The next prime is 20346502100453. The reversal of 20346502100432 is 23400120564302.

It is an interprime number because it is at equal distance from previous prime (20346502100411) and next prime (20346502100453).

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, 8952569 + ... + 10992792.

It is an arithmetic number, because the mean of its divisors is an integer number (996709629864).

Almost surely, 2^{20346502100432} is an apocalyptic number.

It is an amenable number.

20346502100432 is a deficient number, since it is larger than the sum of its proper divisors (19521883094128).

20346502100432 is a wasteful number, since it uses less digits than its factorization.

20346502100432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19946091 (or 19946085 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 20346502100432 its reverse (23400120564302), we get a palindrome (43746622664734).

The spelling of 20346502100432 in words is "twenty trillion, three hundred forty-six billion, five hundred two million, one hundred thousand, four hundred thirty-two".