20152155014 has 32 divisors (see below), whose sum is σ = 30936232800. Its totient is φ = 9843075072.

The previous prime is 20152154993. The next prime is 20152155031. The reversal of 20152155014 is 41055125102.

It is a super-2 number, since 2×20152155014² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11860337 + ... + 11862035.

It is an arithmetic number, because the mean of its divisors is an integer number (966757275).

Almost surely, 2^20152155014 is an apocalyptic number.

20152155014 is a deficient number, since it is larger than the sum of its proper divisors (10784077786).

20152155014 is a wasteful number, since it uses less digits than its factorization.

20152155014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 20152155014 in words is "twenty billion, one hundred fifty-two million, one hundred fifty-five thousand, fourteen".