20460159 has 6 divisors (see below), whose sum is σ = 29553576. Its totient is φ = 13640100.

The previous prime is 20460157. The next prime is 20460199. The reversal of 20460159 is 95106402.

20460159 is a `hidden beast` number, since 2 + 0 + 4 + 601 + 59 = 666.

It is not a de Polignac number, because 20460159 - 2¹ = 20460157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20460151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1136667 + ... + 1136684.

It is an arithmetic number, because the mean of its divisors is an integer number (4925596).

Almost surely, 2^20460159 is an apocalyptic number.

20460159 is a deficient number, since it is larger than the sum of its proper divisors (9093417).

20460159 is a wasteful number, since it uses less digits than its factorization.

20460159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273357 (or 2273354 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 20460159 is about 4523.2907268934. The cubic root of 20460159 is about 273.5077697104.

The spelling of 20460159 in words is "twenty million, four hundred sixty thousand, one hundred fifty-nine".