20500968 has 32 divisors (see below), whose sum is σ = 51600960. Its totient is φ = 6787200.

The previous prime is 20500967. The next prime is 20500969. The reversal of 20500968 is 86900502.

It is an interprime number because it is at equal distance from previous prime (20500967) and next prime (20500969).

It is not an unprimeable number, because it can be changed into a prime (20500967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796 + ... + 6452.

It is an arithmetic number, because the mean of its divisors is an integer number (1612530).

Almost surely, 2^20500968 is an apocalyptic number.

It is an amenable number.

20500968 is an abundant number, since it is smaller than the sum of its proper divisors (31099992).

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

20500968 is a wasteful number, since it uses less digits than its factorization.

20500968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817 (or 5813 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 20500968 is about 4527.7994655241. The cubic root of 20500968 is about 273.6894914324.

The spelling of 20500968 in words is "twenty million, five hundred thousand, nine hundred sixty-eight".