20426147005 has 8 divisors (see below), whose sum is σ = 26739683424. Its totient is φ = 14855379600.

The previous prime is 20426146997. The next prime is 20426147029. The reversal of 20426147005 is 50074162402.

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

It is not a de Polignac number, because 20426147005 - 2³ = 20426146997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185692191 + ... + 185692300.

It is an arithmetic number, because the mean of its divisors is an integer number (3342460428).

Almost surely, 2^20426147005 is an apocalyptic number.

It is an amenable number.

20426147005 is a deficient number, since it is larger than the sum of its proper divisors (6313536419).

20426147005 is a wasteful number, since it uses less digits than its factorization.

20426147005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371384507.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 20426147005 in words is "twenty billion, four hundred twenty-six million, one hundred forty-seven thousand, five".