20713476 has 36 divisors (see below), whose sum is σ = 56223888. Its totient is φ = 5917968.

The previous prime is 20713457. The next prime is 20713489. The reversal of 20713476 is 67431702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17026 + ... + 18201.

Almost surely, 2^20713476 is an apocalyptic number.

It is an amenable number.

20713476 is an abundant number, since it is smaller than the sum of its proper divisors (35510412).

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

20713476 is a wasteful number, since it uses less digits than its factorization.

20713476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35248 (or 35239 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 20713476 is about 4551.2059940196. The cubic root of 20713476 is about 274.6319086263.

The spelling of 20713476 in words is "twenty million, seven hundred thirteen thousand, four hundred seventy-six".