20463857496 has 80 divisors (see below), whose sum is σ = 57340162440. Its totient is φ = 6818618880.

The previous prime is 20463857483. The next prime is 20463857501. The reversal of 20463857496 is 69475836402.

20463857496 is a `hidden beast` number, since 2 + 0 + 4 + 63 + 8 + 574 + 9 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2339451 + ... + 2348181.

Almost surely, 2^20463857496 is an apocalyptic number.

It is an amenable number.

20463857496 is an abundant number, since it is smaller than the sum of its proper divisors (36876304944).

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

20463857496 is a wasteful number, since it uses less digits than its factorization.

20463857496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12366 (or 12353 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 20463857496 in words is "twenty billion, four hundred sixty-three million, eight hundred fifty-seven thousand, four hundred ninety-six".