20034370015 has 32 divisors (see below), whose sum is σ = 26470563840. Its totient is φ = 14435366400.

The previous prime is 20034370003. The next prime is 20034370019. The reversal of 20034370015 is 51007343002.

It is a de Polignac number, because none of the positive numbers 2^k-20034370015 is a prime.

It is a super-2 number, since 2×20034370015² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034370019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6417655 + ... + 6420775.

It is an arithmetic number, because the mean of its divisors is an integer number (827205120).

Almost surely, 2^20034370015 is an apocalyptic number.

20034370015 is a deficient number, since it is larger than the sum of its proper divisors (6436193825).

20034370015 is a wasteful number, since it uses less digits than its factorization.

20034370015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183.

The product of its (nonzero) digits is 2520, while the sum is 25.

The spelling of 20034370015 in words is "twenty billion, thirty-four million, three hundred seventy thousand, fifteen".