20797962 has 24 divisors (see below), whose sum is σ = 42992928. Its totient is φ = 6707160.

The previous prime is 20797961. The next prime is 20797981. The reversal of 20797962 is 26979702.

It is not an unprimeable number, because it can be changed into a prime (20797961) 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, 3963 + ... + 7569.

It is an arithmetic number, because the mean of its divisors is an integer number (1791372).

Almost surely, 2^20797962 is an apocalyptic number.

20797962 is an abundant number, since it is smaller than the sum of its proper divisors (22194966).

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

20797962 is a wasteful number, since it uses less digits than its factorization.

20797962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674 (or 3643 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 20797962 is about 4560.4782643929. The cubic root of 20797962 is about 275.0047911011.

The spelling of 20797962 in words is "twenty million, seven hundred ninety-seven thousand, nine hundred sixty-two".