20286754272 has 72 divisors (see below), whose sum is σ = 59249690136. Its totient is φ = 6579484416.

The previous prime is 20286754261. The next prime is 20286754283. The reversal of 20286754272 is 27245768202.

20286754272 is a `hidden beast` number, since 20 + 2 + 86 + 7 + 542 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (20286754261) and next prime (20286754283).

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 941238 + ... + 962549.

It is an arithmetic number, because the mean of its divisors is an integer number (822912363).

Almost surely, 2^20286754272 is an apocalyptic number.

It is an amenable number.

20286754272 is an abundant number, since it is smaller than the sum of its proper divisors (38962935864).

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

20286754272 is a wasteful number, since it uses less digits than its factorization.

20286754272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903840 (or 1903829 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 20286754272 in words is "twenty billion, two hundred eighty-six million, seven hundred fifty-four thousand, two hundred seventy-two".