20124059 has 4 divisors (see below), whose sum is σ = 21183240. Its totient is φ = 19064880.

The previous prime is 20124031. The next prime is 20124079. The reversal of 20124059 is 95042102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95042102 = 2 ⋅47521051.

It is a cyclic number.

It is not a de Polignac number, because 20124059 - 2²⁴ = 3346843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20124079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529562 + ... + 529599.

It is an arithmetic number, because the mean of its divisors is an integer number (5295810).

Almost surely, 2^20124059 is an apocalyptic number.

20124059 is a deficient number, since it is larger than the sum of its proper divisors (1059181).

20124059 is a wasteful number, since it uses less digits than its factorization.

20124059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059180.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 20124059 is about 4485.9847302460. The cubic root of 20124059 is about 272.0018517391.

The spelling of 20124059 in words is "twenty million, one hundred twenty-four thousand, fifty-nine".