20776950 has 36 divisors (see below), whose sum is σ = 55821948. Its totient is φ = 5540400.

The previous prime is 20776927. The next prime is 20776957. The reversal of 20776950 is 5967702.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20776957) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22636 + ... + 23535.

Almost surely, 2^20776950 is an apocalyptic number.

20776950 is an abundant number, since it is smaller than the sum of its proper divisors (35044998).

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

20776950 is a wasteful number, since it uses less digits than its factorization.

20776950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46189 (or 46181 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 20776950 is about 4558.1739764954. The cubic root of 20776950 is about 274.9121482463.

The spelling of 20776950 in words is "twenty million, seven hundred seventy-six thousand, nine hundred fifty".