20942796 has 36 divisors (see below), whose sum is σ = 56846328. Its totient is φ = 5983488.

The previous prime is 20942783. The next prime is 20942797. The reversal of 20942796 is 69724902.

It is not an unprimeable number, because it can be changed into a prime (20942797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17221 + ... + 18396.

Almost surely, 2^20942796 is an apocalyptic number.

It is an amenable number.

20942796 is an abundant number, since it is smaller than the sum of its proper divisors (35903532).

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

20942796 is a wasteful number, since it uses less digits than its factorization.

20942796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35638 (or 35629 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 20942796 is about 4576.3299706206. The cubic root of 20942796 is about 275.6416795147.

The spelling of 20942796 in words is "twenty million, nine hundred forty-two thousand, seven hundred ninety-six".