20761752 has 32 divisors (see below), whose sum is σ = 56623680. Its totient is φ = 6291360.

The previous prime is 20761747. The next prime is 20761757. The reversal of 20761752 is 25716702.

It is an interprime number because it is at equal distance from previous prime (20761747) and next prime (20761757).

It is a super-2 number, since 2×20761752² = 862100692219008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20761757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39058 + ... + 39585.

It is an arithmetic number, because the mean of its divisors is an integer number (1769490).

Almost surely, 2^20761752 is an apocalyptic number.

20761752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20761752 is an abundant number, since it is smaller than the sum of its proper divisors (35861928).

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

20761752 is a wasteful number, since it uses less digits than its factorization.

20761752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78663 (or 78659 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 20761752 is about 4556.5065565628. The cubic root of 20761752 is about 274.8451006450.

It can be divided in two parts, 2076 and 1752, that added together give a triangular number (3828 = T₈₇).

The spelling of 20761752 in words is "twenty million, seven hundred sixty-one thousand, seven hundred fifty-two".