20886276 has 12 divisors (see below), whose sum is σ = 48734672. Its totient is φ = 6962088.

The previous prime is 20886269. The next prime is 20886289. The reversal of 20886276 is 67268802.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870250 + ... + 870273.

Almost surely, 2^20886276 is an apocalyptic number.

It is an amenable number.

20886276 is an abundant number, since it is smaller than the sum of its proper divisors (27848396).

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

20886276 is a wasteful number, since it uses less digits than its factorization.

20886276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740530 (or 1740528 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 20886276 is about 4570.1505445663. The cubic root of 20886276 is about 275.3934906899.

The spelling of 20886276 in words is "twenty million, eight hundred eighty-six thousand, two hundred seventy-six".