20784727368 has 48 divisors (see below), whose sum is σ = 56353939200. Its totient is φ = 6920615520.

The previous prime is 20784727363. The next prime is 20784727427. The reversal of 20784727368 is 86372748702.

20784727368 is a `hidden beast` number, since 207 + 8 + 4 + 72 + 7 + 368 = 666.

It is not an unprimeable number, because it can be changed into a prime (20784727363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92848 + ... + 224031.

It is an arithmetic number, because the mean of its divisors is an integer number (1174040400).

Almost surely, 2^20784727368 is an apocalyptic number.

It is an amenable number.

20784727368 is an abundant number, since it is smaller than the sum of its proper divisors (35569211832).

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

20784727368 is a wasteful number, since it uses less digits than its factorization.

20784727368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317802 (or 317795 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 20784727368 in words is "twenty billion, seven hundred eighty-four million, seven hundred twenty-seven thousand, three hundred sixty-eight".