20172258302 has 16 divisors (see below), whose sum is σ = 34584181632. Its totient is φ = 8644461720.

The previous prime is 20172258287. The next prime is 20172258319. The reversal of 20172258302 is 20385227102.

It is a congruent number.

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, 108173 + ... + 228135.

It is an arithmetic number, because the mean of its divisors is an integer number (2161511352).

Almost surely, 2^20172258302 is an apocalyptic number.

20172258302 is a deficient number, since it is larger than the sum of its proper divisors (14411923330).

20172258302 is a wasteful number, since it uses less digits than its factorization.

20172258302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131983.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 20172258302 in words is "twenty billion, one hundred seventy-two million, two hundred fifty-eight thousand, three hundred two".