20776850 has 24 divisors (see below), whose sum is σ = 39305520. Its totient is φ = 8168720.

The previous prime is 20776849. The next prime is 20776897. The reversal of 20776850 is 5867702.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20776850.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572 + ... + 6471.

It is an arithmetic number, because the mean of its divisors is an integer number (1637730).

Almost surely, 2^20776850 is an apocalyptic number.

20776850 is a deficient number, since it is larger than the sum of its proper divisors (18528670).

20776850 is a wasteful number, since it uses less digits than its factorization.

20776850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114 (or 7109 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 20776850 is about 4558.1630071773. The cubic root of 20776850 is about 274.9117071925.

The spelling of 20776850 in words is "twenty million, seven hundred seventy-six thousand, eight hundred fifty".