20751542162 has 16 divisors (see below), whose sum is σ = 33524836800. Its totient is φ = 9576744912.

The previous prime is 20751542117. The next prime is 20751542177. The reversal of 20751542162 is 26124515702.

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, 309089 + ... + 370187.

It is an arithmetic number, because the mean of its divisors is an integer number (2095302300).

Almost surely, 2^20751542162 is an apocalyptic number.

20751542162 is a deficient number, since it is larger than the sum of its proper divisors (12773294638).

20751542162 is a wasteful number, since it uses less digits than its factorization.

20751542162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74177.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 20751542162 in words is "twenty billion, seven hundred fifty-one million, five hundred forty-two thousand, one hundred sixty-two".