20876760 has 48 divisors (see below), whose sum is σ = 67850640. Its totient is φ = 5567040.

The previous prime is 20876747. The next prime is 20876767. The reversal of 20876760 is 6767802.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20876767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28636 + ... + 29355.

It is an arithmetic number, because the mean of its divisors is an integer number (1413555).

Almost surely, 2^20876760 is an apocalyptic number.

20876760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20876760 is an abundant number, since it is smaller than the sum of its proper divisors (46973880).

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

20876760 is a wasteful number, since it uses less digits than its factorization.

20876760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58008 (or 58001 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 20876760 is about 4569.1093223953. The cubic root of 20876760 is about 275.3516603103.

The spelling of 20876760 in words is "twenty million, eight hundred seventy-six thousand, seven hundred sixty".