23020810 has 16 divisors (see below), whose sum is σ = 41521896. Its totient is φ = 9189568.

The previous prime is 23020793. The next prime is 23020831. The reversal of 23020810 is 1802032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16088121 + 6932689 = 4011^2 + 2633^2 .

It is a super-2 number, since 2×23020810² = 1059915386112200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3504 + ... + 7636.

Almost surely, 2^23020810 is an apocalyptic number.

23020810 is a deficient number, since it is larger than the sum of its proper divisors (18501086).

23020810 is a wasteful number, since it uses less digits than its factorization.

23020810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 23020810 is about 4798.0006252605. Note that the first 3 decimals coincide. The cubic root of 23020810 is about 284.4724415101.

Adding to 23020810 its reverse (1802032), we get a palindrome (24822842).

The spelling of 23020810 in words is "twenty-three million, twenty thousand, eight hundred ten".