20761932 has 24 divisors (see below), whose sum is σ = 48548416. Its totient is φ = 6905808.

The previous prime is 20761919. The next prime is 20761933. The reversal of 20761932 is 23916702.

It is a self number, because there is not a number n which added to its sum of digits gives 20761932.

It is not an unprimeable number, because it can be changed into a prime (20761933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4983 + ... + 8145.

Almost surely, 2^20761932 is an apocalyptic number.

It is an amenable number.

20761932 is an abundant number, since it is smaller than the sum of its proper divisors (27786484).

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

20761932 is a wasteful number, since it uses less digits than its factorization.

20761932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717 (or 3715 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 20761932 is about 4556.5263084942. The cubic root of 20761932 is about 274.8458949256.

The spelling of 20761932 in words is "twenty million, seven hundred sixty-one thousand, nine hundred thirty-two".