20750764 has 6 divisors (see below), whose sum is σ = 36313844. Its totient is φ = 10375380.

The previous prime is 20750701. The next prime is 20750767. The reversal of 20750764 is 46705702.

It is not an unprimeable number, because it can be changed into a prime (20750767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593842 + ... + 2593849.

Almost surely, 2^20750764 is an apocalyptic number.

It is an amenable number.

20750764 is a deficient number, since it is larger than the sum of its proper divisors (15563080).

20750764 is a wasteful number, since it uses less digits than its factorization.

20750764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187695 (or 5187693 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 20750764 is about 4555.3006486949. The cubic root of 20750764 is about 274.7966055261.

The spelling of 20750764 in words is "twenty million, seven hundred fifty thousand, seven hundred sixty-four".