20734265484 has 36 divisors (see below), whose sum is σ = 52439709504. Its totient is φ = 6907717152.

The previous prime is 20734265479. The next prime is 20734265501. The reversal of 20734265484 is 48456243702.

It is a happy number.

20734265484 is a `hidden beast` number, since 2 + 0 + 73 + 42 + 65 + 484 = 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, 85852 + ... + 220995.

Almost surely, 2^20734265484 is an apocalyptic number.

It is an amenable number.

20734265484 is an abundant number, since it is smaller than the sum of its proper divisors (31705444020).

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

20734265484 is a wasteful number, since it uses less digits than its factorization.

20734265484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308734 (or 308729 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 20734265484 in words is "twenty billion, seven hundred thirty-four million, two hundred sixty-five thousand, four hundred eighty-four".