20742702048 has 96 divisors (see below), whose sum is σ = 64058389920. Its totient is φ = 6507509760.

The previous prime is 20742701999. The next prime is 20742702049. The reversal of 20742702048 is 84020724702.

20742702048 is a `hidden beast` number, since 20 + 7 + 427 + 0 + 204 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20742702049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691423 + ... + 720798.

It is an arithmetic number, because the mean of its divisors is an integer number (667274895).

Almost surely, 2^20742702048 is an apocalyptic number.

It is an amenable number.

20742702048 is an abundant number, since it is smaller than the sum of its proper divisors (43315687872).

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

20742702048 is a wasteful number, since it uses less digits than its factorization.

20742702048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412257 (or 1412243 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The spelling of 20742702048 in words is "twenty billion, seven hundred forty-two million, seven hundred two thousand, forty-eight".