20112959 has 2 divisors, whose sum is σ = 20112960. Its totient is φ = 20112958.

The previous prime is 20112947. The next prime is 20112973. The reversal of 20112959 is 95921102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112959 - 2⁴ = 20112943 is a prime.

It is a super-2 number, since 2×20112959² = 809062239471362, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056479 + 10056480.

It is an arithmetic number, because the mean of its divisors is an integer number (10056480).

Almost surely, 2^20112959 is an apocalyptic number.

20112959 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112959 is an equidigital number, since it uses as much as digits as its factorization.

20112959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 20112959 is about 4484.7473730412. The cubic root of 20112959 is about 271.9518324092.

The spelling of 20112959 in words is "twenty million, one hundred twelve thousand, nine hundred fifty-nine".