20876122 has 4 divisors (see below), whose sum is σ = 31314186. Its totient is φ = 10438060.

The previous prime is 20876087. The next prime is 20876123. The reversal of 20876122 is 22167802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20875761 + 361 = 4569^2 + 19^2 .

It is not an unprimeable number, because it can be changed into a prime (20876123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5219029 + ... + 5219032.

Almost surely, 2^20876122 is an apocalyptic number.

20876122 is a deficient number, since it is larger than the sum of its proper divisors (10438064).

20876122 is a wasteful number, since it uses less digits than its factorization.

20876122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10438063.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20876122 is about 4569.0395051914. The cubic root of 20876122 is about 275.3488553389.

The spelling of 20876122 in words is "twenty million, eight hundred seventy-six thousand, one hundred twenty-two".