20776122 has 32 divisors (see below), whose sum is σ = 47764800. Its totient is φ = 6686064.

The previous prime is 20776121. The next prime is 20776127. The reversal of 20776122 is 22167702.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20776121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5068 + ... + 8199.

It is an arithmetic number, because the mean of its divisors is an integer number (1492650).

Almost surely, 2^20776122 is an apocalyptic number.

20776122 is an abundant number, since it is smaller than the sum of its proper divisors (26988678).

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

20776122 is a wasteful number, since it uses less digits than its factorization.

20776122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13307 (or 13301 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 20776122 is about 4558.0831497462. The cubic root of 20776122 is about 274.9084962781.

The spelling of 20776122 in words is "twenty million, seven hundred seventy-six thousand, one hundred twenty-two".