20876146 has 8 divisors (see below), whose sum is σ = 31637340. Its totient is φ = 10330368.

The previous prime is 20876137. The next prime is 20876171. The reversal of 20876146 is 64167802.

It can be written as a sum of positive squares in 2 ways, for example, as 18395521 + 2480625 = 4289^2 + 1575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 53611 + ... + 53998.

Almost surely, 2^20876146 is an apocalyptic number.

20876146 is a deficient number, since it is larger than the sum of its proper divisors (10761194).

20876146 is a wasteful number, since it uses less digits than its factorization.

20876146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107708.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 20876146 is about 4569.0421315632. The cubic root of 20876146 is about 275.3489608561.

The spelling of 20876146 in words is "twenty million, eight hundred seventy-six thousand, one hundred forty-six".