20432151103542 has 16 divisors (see below), whose sum is σ = 41076034345200. Its totient is φ = 6775428344832.

The previous prime is 20432151103537. The next prime is 20432151103591. The reversal of 20432151103542 is 24530115123402.

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, 8822171167 + ... + 8822173482.

It is an arithmetic number, because the mean of its divisors is an integer number (2567252146575).

Almost surely, 2^{20432151103542} is an apocalyptic number.

20432151103542 is an abundant number, since it is smaller than the sum of its proper divisors (20643883241658).

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

20432151103542 is a wasteful number, since it uses less digits than its factorization.

20432151103542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17644344847.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 20432151103542 its reverse (24530115123402), we get a palindrome (44962266226944).

The spelling of 20432151103542 in words is "twenty trillion, four hundred thirty-two billion, one hundred fifty-one million, one hundred three thousand, five hundred forty-two".