20624464624466 has 32 divisors (see below), whose sum is σ = 31494704031360. Its totient is φ = 10127434262400.

The previous prime is 20624464624453. The next prime is 20624464624523. The reversal of 20624464624466 is 66442646442602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39874940 + ... + 40388856.

It is an arithmetic number, because the mean of its divisors is an integer number (984209500980).

Almost surely, 2^{20624464624466} is an apocalyptic number.

20624464624466 is a deficient number, since it is larger than the sum of its proper divisors (10870239406894).

20624464624466 is a wasteful number, since it uses less digits than its factorization.

20624464624466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515090.

The product of its (nonzero) digits is 63700992, while the sum is 56.

The spelling of 20624464624466 in words is "twenty trillion, six hundred twenty-four billion, four hundred sixty-four million, six hundred twenty-four thousand, four hundred sixty-six".