20152159 has 2 divisors, whose sum is σ = 20152160. Its totient is φ = 20152158.

The previous prime is 20152127. The next prime is 20152169. The reversal of 20152159 is 95125102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20152159 - 2⁵ = 20152127 is a prime.

It is a super-2 number, since 2×20152159² = 812219024722562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20152169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076079 + 10076080.

It is an arithmetic number, because the mean of its divisors is an integer number (10076080).

Almost surely, 2^20152159 is an apocalyptic number.

20152159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20152159 is an equidigital number, since it uses as much as digits as its factorization.

20152159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 20152159 is about 4489.1156144613. The cubic root of 20152159 is about 272.1283950849.

The spelling of 20152159 in words is "twenty million, one hundred fifty-two thousand, one hundred fifty-nine".