20426348874 has 8 divisors (see below), whose sum is σ = 40852697760. Its totient is φ = 6808782956.

The previous prime is 20426348863. The next prime is 20426348879. The reversal of 20426348874 is 47884362402.

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

20426348874 is an admirable number.

It is a super-2 number, since 2×20426348874² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20426348879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702195734 + ... + 1702195745.

It is an arithmetic number, because the mean of its divisors is an integer number (5106587220).

Almost surely, 2^20426348874 is an apocalyptic number.

20426348874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20426348874 is a wasteful number, since it uses less digits than its factorization.

20426348874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404391484.

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 20426348874 in words is "twenty billion, four hundred twenty-six million, three hundred forty-eight thousand, eight hundred seventy-four".