22652020 has 12 divisors (see below), whose sum is σ = 47569284. Its totient is φ = 9060800.

The previous prime is 22652017. The next prime is 22652039. The reversal of 22652020 is 2025622.

It can be written as a sum of positive squares in 2 ways, for example, as 7628644 + 15023376 = 2762^2 + 3876^2 .

It is a super-2 number, since 2×22652020² = 1026228020160800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566281 + ... + 566320.

It is an arithmetic number, because the mean of its divisors is an integer number (3964107).

Almost surely, 2^22652020 is an apocalyptic number.

22652020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22652020 is an abundant number, since it is smaller than the sum of its proper divisors (24917264).

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

22652020 is a wasteful number, since it uses less digits than its factorization.

22652020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132610 (or 1132608 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22652020 is about 4759.4138294542. The cubic root of 22652020 is about 282.9451878512.

Adding to 22652020 its reverse (2025622), we get a palindrome (24677642).

The spelling of 22652020 in words is "twenty-two million, six hundred fifty-two thousand, twenty".