20354932 has 12 divisors (see below), whose sum is σ = 38361316. Its totient is φ = 9394560.

The previous prime is 20354927. The next prime is 20354969. The reversal of 20354932 is 23945302.

It can be written as a sum of positive squares in 2 ways, for example, as 5035536 + 15319396 = 2244^2 + 3914^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20354932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195669 + ... + 195772.

Almost surely, 2^20354932 is an apocalyptic number.

It is an amenable number.

20354932 is a deficient number, since it is larger than the sum of its proper divisors (18006384).

20354932 is a wasteful number, since it uses less digits than its factorization.

20354932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391458 (or 391456 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 20354932 is about 4511.6440462430. The cubic root of 20354932 is about 273.0380782981.

The spelling of 20354932 in words is "twenty million, three hundred fifty-four thousand, nine hundred thirty-two".