20774232 has 40 divisors (see below), whose sum is σ = 58188900. Its totient is φ = 6924528.

The previous prime is 20774231. The next prime is 20774233. The reversal of 20774232 is 23247702.

It is an interprime number because it is at equal distance from previous prime (20774231) and next prime (20774233).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20774196 and 20774205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20774231) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15382 + ... + 16677.

Almost surely, 2^20774232 is an apocalyptic number.

It is an amenable number.

20774232 is an abundant number, since it is smaller than the sum of its proper divisors (37414668).

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

20774232 is a wasteful number, since it uses less digits than its factorization.

20774232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32077 (or 32064 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 20774232 is about 4557.8758210377. The cubic root of 20774232 is about 274.9001599002.

The spelling of 20774232 in words is "twenty million, seven hundred seventy-four thousand, two hundred thirty-two".