20775032 has 16 divisors (see below), whose sum is σ = 39002640. Its totient is φ = 10374336.

The previous prime is 20775031. The next prime is 20775043. The reversal of 20775032 is 23057702.

It is a junction number, because it is equal to n+sod(n) for n = 20774992 and 20775010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20775031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9428 + ... + 11420.

It is an arithmetic number, because the mean of its divisors is an integer number (2437665).

Almost surely, 2^20775032 is an apocalyptic number.

It is an amenable number.

20775032 is a deficient number, since it is larger than the sum of its proper divisors (18227608).

20775032 is a wasteful number, since it uses less digits than its factorization.

20775032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302 (or 3298 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 20775032 is about 4557.9635803723. The cubic root of 20775032 is about 274.9036885875.

The spelling of 20775032 in words is "twenty million, seven hundred seventy-five thousand, thirty-two".