20764802374 has 8 divisors (see below), whose sum is σ = 31147827480. Its totient is φ = 10382193216.

The previous prime is 20764802351. The next prime is 20764802393. The reversal of 20764802374 is 47320846702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20764802374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104097 + ... + 228835.

It is an arithmetic number, because the mean of its divisors is an integer number (3893478435).

Almost surely, 2^20764802374 is an apocalyptic number.

20764802374 is a deficient number, since it is larger than the sum of its proper divisors (10383025106).

20764802374 is a wasteful number, since it uses less digits than its factorization.

20764802374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207974.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 20764802374 in words is "twenty billion, seven hundred sixty-four million, eight hundred two thousand, three hundred seventy-four".