20902922373 has 16 divisors (see below), whose sum is σ = 29638889280. Its totient is φ = 13058278656.

The previous prime is 20902922357. The next prime is 20902922401. The reversal of 20902922373 is 37322920902.

It is not a de Polignac number, because 20902922373 - 2⁴ = 20902922357 is a prime.

It is a super-2 number, since 2×20902922373² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20902922473) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 883215 + ... + 906572.

It is an arithmetic number, because the mean of its divisors is an integer number (1852430580).

Almost surely, 2^20902922373 is an apocalyptic number.

It is an amenable number.

20902922373 is a deficient number, since it is larger than the sum of its proper divisors (8735966907).

20902922373 is a wasteful number, since it uses less digits than its factorization.

20902922373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790036.

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 20902922373 in words is "twenty billion, nine hundred two million, nine hundred twenty-two thousand, three hundred seventy-three".