20502675674 has 16 divisors (see below), whose sum is σ = 33824383488. Its totient is φ = 9261437232.

The previous prime is 20502675649. The next prime is 20502675691. The reversal of 20502675674 is 47657620502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8387762 + ... + 8390205.

It is an arithmetic number, because the mean of its divisors is an integer number (2114023968).

Almost surely, 2^20502675674 is an apocalyptic number.

20502675674 is a deficient number, since it is larger than the sum of its proper divisors (13321707814).

20502675674 is a wasteful number, since it uses less digits than its factorization.

20502675674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16778029.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 20502675674 in words is "twenty billion, five hundred two million, six hundred seventy-five thousand, six hundred seventy-four".