20374198255 has 8 divisors (see below), whose sum is σ = 24910340832. Its totient is φ = 15991823328.

The previous prime is 20374198193. The next prime is 20374198277. The reversal of 20374198255 is 55289147302.

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

It is a cyclic number.

It is not a de Polignac number, because 20374198255 - 2²¹ = 20372101103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38441619 + ... + 38442148.

It is an arithmetic number, because the mean of its divisors is an integer number (3113792604).

Almost surely, 2^20374198255 is an apocalyptic number.

20374198255 is a deficient number, since it is larger than the sum of its proper divisors (4536142577).

20374198255 is an equidigital number, since it uses as much as digits as its factorization.

20374198255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76883825.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 20374198255 in words is "twenty billion, three hundred seventy-four million, one hundred ninety-eight thousand, two hundred fifty-five".