20738922 has 16 divisors (see below), whose sum is σ = 42003840. Its totient is φ = 6825312.

The previous prime is 20738917. The next prime is 20738933. The reversal of 20738922 is 22983702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21403 + ... + 22350.

It is an arithmetic number, because the mean of its divisors is an integer number (2625240).

Almost surely, 2^20738922 is an apocalyptic number.

20738922 is an abundant number, since it is smaller than the sum of its proper divisors (21264918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20738922 is a wasteful number, since it uses less digits than its factorization.

20738922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43837.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 20738922 is about 4554.0006587615. Note that the first 3 decimals coincide. The cubic root of 20738922 is about 274.7443221399.

The spelling of 20738922 in words is "twenty million, seven hundred thirty-eight thousand, nine hundred twenty-two".