20315106250426 has 8 divisors (see below), whose sum is σ = 32816710096884. Its totient is φ = 9376202884800.

The previous prime is 20315106250409. The next prime is 20315106250433. The reversal of 20315106250426 is 62405260151302.

It can be written as a sum of positive squares in 2 ways, for example, as 14893031004201 + 5422075246225 = 3859149^2 + 2328535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390675120175 + ... + 390675120226.

Almost surely, 2^{20315106250426} is an apocalyptic number.

20315106250426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20315106250426 is a deficient number, since it is larger than the sum of its proper divisors (12501603846458).

20315106250426 is a wasteful number, since it uses less digits than its factorization.

20315106250426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781350240416.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 20315106250426 in words is "twenty trillion, three hundred fifteen billion, one hundred six million, two hundred fifty thousand, four hundred twenty-six".