20902922374 has 8 divisors (see below), whose sum is σ = 31355389800. Its totient is φ = 10451125776.

The previous prime is 20902922357. The next prime is 20902922401. The reversal of 20902922374 is 47322920902.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80799 + ... + 219850.

It is an arithmetic number, because the mean of its divisors is an integer number (3919423725).

Almost surely, 2^20902922374 is an apocalyptic number.

20902922374 is a deficient number, since it is larger than the sum of its proper divisors (10452467426).

20902922374 is a wasteful number, since it uses less digits than its factorization.

20902922374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335414.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 20902922374 in words is "twenty billion, nine hundred two million, nine hundred twenty-two thousand, three hundred seventy-four".