20752368 has 80 divisors (see below), whose sum is σ = 65995776. Its totient is φ = 5472000.

The previous prime is 20752363. The next prime is 20752399. The reversal of 20752368 is 86325702.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20752363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993 + ... + 6743.

Almost surely, 2^20752368 is an apocalyptic number.

20752368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20752368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32997888).

20752368 is an abundant number, since it is smaller than the sum of its proper divisors (45243408).

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

20752368 is a wasteful number, since it uses less digits than its factorization.

20752368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782 (or 4776 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 20752368 is about 4555.4767039246. The cubic root of 20752368 is about 274.8036857859.

The spelling of 20752368 in words is "twenty million, seven hundred fifty-two thousand, three hundred sixty-eight".