20074004139 has 8 divisors (see below), whose sum is σ = 30588958720. Its totient is φ = 11470859496.

The previous prime is 20074004081. The next prime is 20074004173. The reversal of 20074004139 is 93140047002.

It is a happy number.

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

It is not a de Polignac number, because 20074004139 - 2⁷ = 20074004011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20074004339) 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, 477952459 + ... + 477952500.

It is an arithmetic number, because the mean of its divisors is an integer number (3823619840).

Almost surely, 2^20074004139 is an apocalyptic number.

20074004139 is a deficient number, since it is larger than the sum of its proper divisors (10514954581).

20074004139 is an equidigital number, since it uses as much as digits as its factorization.

20074004139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955904969.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 20074004139 in words is "twenty billion, seventy-four million, four thousand, one hundred thirty-nine".