20305962 has 12 divisors (see below), whose sum is σ = 43996290. Its totient is φ = 6768648.

The previous prime is 20305951. The next prime is 20305969. The reversal of 20305962 is 26950302.

It can be written as a sum of positive squares in only one way, i.e., 18844281 + 1461681 = 4341^2 + 1209^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20305969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564037 + ... + 564072.

Almost surely, 2^20305962 is an apocalyptic number.

20305962 is an abundant number, since it is smaller than the sum of its proper divisors (23690328).

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

20305962 is a wasteful number, since it uses less digits than its factorization.

20305962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128117 (or 1128114 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 20305962 is about 4506.2137099787. The cubic root of 20305962 is about 272.8189436683.

The spelling of 20305962 in words is "twenty million, three hundred five thousand, nine hundred sixty-two".