20464712 has 32 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 9825600.

The previous prime is 20464711. The next prime is 20464723. The reversal of 20464712 is 21746402.

It is not an unprimeable number, because it can be changed into a prime (20464711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44162 + ... + 44622.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^20464712 is an apocalyptic number.

It is an amenable number.

20464712 is a deficient number, since it is larger than the sum of its proper divisors (19452088).

20464712 is a wasteful number, since it uses less digits than its factorization.

20464712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 20464712 is about 4523.7939829307. The cubic root of 20464712 is about 273.5280561040.

The spelling of 20464712 in words is "twenty million, four hundred sixty-four thousand, seven hundred twelve".