20740667364 has 36 divisors (see below), whose sum is σ = 52566164560. Its totient is φ = 6895309680.

The previous prime is 20740667351. The next prime is 20740667407. The reversal of 20740667364 is 46376604702.

20740667364 is a `hidden beast` number, since 207 + 406 + 6 + 7 + 36 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 746422 + ... + 773709.

Almost surely, 2^20740667364 is an apocalyptic number.

It is an amenable number.

20740667364 is an abundant number, since it is smaller than the sum of its proper divisors (31825497196).

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

20740667364 is a wasteful number, since it uses less digits than its factorization.

20740667364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520520 (or 1520515 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 20740667364 in words is "twenty billion, seven hundred forty million, six hundred sixty-seven thousand, three hundred sixty-four".