20764962 has 12 divisors (see below), whose sum is σ = 44990790. Its totient is φ = 6921648.

The previous prime is 20764951. The next prime is 20764963. The reversal of 20764962 is 26946702.

It is a happy number.

20764962 is a `hidden beast` number, since 2 + 0 + 7 + 649 + 6 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20711601 + 53361 = 4551^2 + 231^2 .

It is a super-2 number, since 2×20764962² = 862367293722888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20764963) 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, 576787 + ... + 576822.

Almost surely, 2^20764962 is an apocalyptic number.

20764962 is an abundant number, since it is smaller than the sum of its proper divisors (24225828).

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

20764962 is a wasteful number, since it uses less digits than its factorization.

20764962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153617 (or 1153614 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 20764962 is about 4556.8587864888. The cubic root of 20764962 is about 274.8592646280.

The spelling of 20764962 in words is "twenty million, seven hundred sixty-four thousand, nine hundred sixty-two".