20761122 has 32 divisors (see below), whose sum is σ = 42964992. Its totient is φ = 6683984.

The previous prime is 20761099. The next prime is 20761159. The reversal of 20761122 is 22116702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22963 + ... + 23849.

It is an arithmetic number, because the mean of its divisors is an integer number (1342656).

Almost surely, 2^20761122 is an apocalyptic number.

20761122 is an abundant number, since it is smaller than the sum of its proper divisors (22203870).

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

20761122 is a wasteful number, since it uses less digits than its factorization.

20761122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 20761122 is about 4556.4374241286. The cubic root of 20761122 is about 274.8423206264.

Adding to 20761122 its reverse (22116702), we get a palindrome (42877824).

The spelling of 20761122 in words is "twenty million, seven hundred sixty-one thousand, one hundred twenty-two".