20379190269 has 8 divisors (see below), whose sum is σ = 27172921600. Its totient is φ = 13585792896.

The previous prime is 20379190267. The next prime is 20379190291. The reversal of 20379190269 is 96209197302.

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

It is not a de Polignac number, because 20379190269 - 2¹ = 20379190267 is a prime.

It is a super-2 number, since 2×20379190269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20379190267) 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, 162132 + ... + 258930.

It is an arithmetic number, because the mean of its divisors is an integer number (3396615200).

Almost surely, 2^20379190269 is an apocalyptic number.

It is an amenable number.

20379190269 is a deficient number, since it is larger than the sum of its proper divisors (6793731331).

20379190269 is an equidigital number, since it uses as much as digits as its factorization.

20379190269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166979.

The product of its (nonzero) digits is 367416, while the sum is 48.

The spelling of 20379190269 in words is "twenty billion, three hundred seventy-nine million, one hundred ninety thousand, two hundred sixty-nine".