20260808 has 8 divisors (see below), whose sum is σ = 37989030. Its totient is φ = 10130400.

The previous prime is 20260789. The next prime is 20260813. The reversal of 20260808 is 80806202.

It can be written as a sum of positive squares in only one way, i.e., 17156164 + 3104644 = 4142^2 + 1762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266293 + ... + 1266308.

Almost surely, 2^20260808 is an apocalyptic number.

It is an amenable number.

20260808 is a deficient number, since it is larger than the sum of its proper divisors (17728222).

20260808 is a wasteful number, since it uses less digits than its factorization.

20260808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532607 (or 2532603 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 20260808 is about 4501.2007286945. The cubic root of 20260808 is about 272.6165727430.

The spelling of 20260808 in words is "twenty million, two hundred sixty thousand, eight hundred eight".