20876892 has 12 divisors (see below), whose sum is σ = 48712776. Its totient is φ = 6958960.

The previous prime is 20876861. The next prime is 20876899. The reversal of 20876892 is 29867802.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20876899) 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, 869859 + ... + 869882.

It is an arithmetic number, because the mean of its divisors is an integer number (4059398).

Almost surely, 2^20876892 is an apocalyptic number.

It is an amenable number.

20876892 is an abundant number, since it is smaller than the sum of its proper divisors (27835884).

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

20876892 is a wasteful number, since it uses less digits than its factorization.

20876892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739748 (or 1739746 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 20876892 is about 4569.1237672009. The cubic root of 20876892 is about 275.3522406421.

The spelling of 20876892 in words is "twenty million, eight hundred seventy-six thousand, eight hundred ninety-two".