20883113 has 8 divisors (see below), whose sum is σ = 21357000. Its totient is φ = 20412288.

The previous prime is 20883073. The next prime is 20883143. The reversal of 20883113 is 31138802.

It can be written as a sum of positive squares in 4 ways, for example, as 2930944 + 17952169 = 1712^2 + 4237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20883113 - 2⁸ = 20882857 is a prime.

It is a super-2 number, since 2×20883113² = 872208817141538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20883143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17933 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (2669625).

Almost surely, 2^20883113 is an apocalyptic number.

It is an amenable number.

20883113 is a deficient number, since it is larger than the sum of its proper divisors (473887).

20883113 is a wasteful number, since it uses less digits than its factorization.

20883113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 20883113 is about 4569.8044815944. The cubic root of 20883113 is about 275.3795882022.

The spelling of 20883113 in words is "twenty million, eight hundred eighty-three thousand, one hundred thirteen".