20259122 has 16 divisors (see below), whose sum is σ = 32829720. Its totient is φ = 9320832.

The previous prime is 20259103. The next prime is 20259133. The reversal of 20259122 is 22195202.

It can be written as a sum of positive squares in 4 ways, for example, as 17884441 + 2374681 = 4229^2 + 1541^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8654 + ... + 10742.

Almost surely, 2^20259122 is an apocalyptic number.

20259122 is a deficient number, since it is larger than the sum of its proper divisors (12570598).

20259122 is a wasteful number, since it uses less digits than its factorization.

20259122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477.

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

The square root of 20259122 is about 4501.0134414374. The cubic root of 20259122 is about 272.6090106179.

The spelling of 20259122 in words is "twenty million, two hundred fifty-nine thousand, one hundred twenty-two".