20275722 has 24 divisors (see below), whose sum is σ = 44108064. Its totient is φ = 6731304.

The previous prime is 20275693. The next prime is 20275769. The reversal of 20275722 is 22757202.

It is a happy number.

It is a super-2 number, since 2×20275722² = 822209805242568, which contains 22 as substring.

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, 2593 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (1837836).

Almost surely, 2^20275722 is an apocalyptic number.

20275722 is an abundant number, since it is smaller than the sum of its proper divisors (23832342).

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

20275722 is a wasteful number, since it uses less digits than its factorization.

20275722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554 (or 4551 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 20275722 is about 4502.8570930022. The cubic root of 20275722 is about 272.6834474428.

The spelling of 20275722 in words is "twenty million, two hundred seventy-five thousand, seven hundred twenty-two".