20259124 has 6 divisors (see below), whose sum is σ = 35453474. Its totient is φ = 10129560.

The previous prime is 20259103. The next prime is 20259133. The reversal of 20259124 is 42195202.

It can be written as a sum of positive squares in only one way, i.e., 12475024 + 7784100 = 3532^2 + 2790^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532387 + ... + 2532394.

Almost surely, 2^20259124 is an apocalyptic number.

It is an amenable number.

20259124 is a deficient number, since it is larger than the sum of its proper divisors (15194350).

20259124 is a wasteful number, since it uses less digits than its factorization.

20259124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064785 (or 5064783 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 20259124 is about 4501.0136636096. The cubic root of 20259124 is about 272.6090195887.

The spelling of 20259124 in words is "twenty million, two hundred fifty-nine thousand, one hundred twenty-four".