20524551051 has 32 divisors (see below), whose sum is σ = 28952801280. Its totient is φ = 12897165600.

The previous prime is 20524551041. The next prime is 20524551053. The reversal of 20524551051 is 15015542502.

It is not a de Polignac number, because 20524551051 - 2⁹ = 20524550539 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20524551053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18275976 + ... + 18277098.

It is an arithmetic number, because the mean of its divisors is an integer number (904775040).

Almost surely, 2^20524551051 is an apocalyptic number.

20524551051 is a deficient number, since it is larger than the sum of its proper divisors (8428250229).

20524551051 is a wasteful number, since it uses less digits than its factorization.

20524551051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 20524551051 in words is "twenty billion, five hundred twenty-four million, five hundred fifty-one thousand, fifty-one".