20624641006 has 16 divisors (see below), whose sum is σ = 32287597344. Its totient is φ = 9862262784.

The previous prime is 20624640979. The next prime is 20624641057. The reversal of 20624641006 is 60014642602.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 256126 + ... + 326878.

It is an arithmetic number, because the mean of its divisors is an integer number (2017974834).

Almost surely, 2^20624641006 is an apocalyptic number.

20624641006 is a deficient number, since it is larger than the sum of its proper divisors (11662956338).

20624641006 is a wasteful number, since it uses less digits than its factorization.

20624641006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77115.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 20624641006 in words is "twenty billion, six hundred twenty-four million, six hundred forty-one thousand, six".