20011515002 has 8 divisors (see below), whose sum is σ = 30985571712. Its totient is φ = 9682991100.

The previous prime is 20011514993. The next prime is 20011515019. The reversal of 20011515002 is 20051511002.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161383124 + ... + 161383247.

It is an arithmetic number, because the mean of its divisors is an integer number (3873196464).

Almost surely, 2^20011515002 is an apocalyptic number.

20011515002 is a deficient number, since it is larger than the sum of its proper divisors (10974056710).

20011515002 is a wasteful number, since it uses less digits than its factorization.

20011515002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322766404.

The product of its (nonzero) digits is 100, while the sum is 17.

The spelling of 20011515002 in words is "twenty billion, eleven million, five hundred fifteen thousand, two".