20246915379 has 8 divisors (see below), whose sum is σ = 26998321600. Its totient is φ = 13496726376.

The previous prime is 20246915327. The next prime is 20246915383. The reversal of 20246915379 is 97351964202.

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

It is not a de Polignac number, because 20246915379 - 2¹¹ = 20246913331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20246915399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264757 + ... + 332550.

It is an arithmetic number, because the mean of its divisors is an integer number (3374790200).

Almost surely, 2^20246915379 is an apocalyptic number.

20246915379 is a deficient number, since it is larger than the sum of its proper divisors (6751406221).

20246915379 is a wasteful number, since it uses less digits than its factorization.

20246915379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608609.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 20246915379 in words is "twenty billion, two hundred forty-six million, nine hundred fifteen thousand, three hundred seventy-nine".