20001514005 has 64 divisors (see below), whose sum is σ = 39737053440. Its totient is φ = 9461145600.

The previous prime is 20001513979. The next prime is 20001514007. The reversal of 20001514005 is 50041510002.

It is not a de Polignac number, because 20001514005 - 2¹⁸ = 20001251861 is a prime.

It is a super-2 number, since 2×20001514005² (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 (20001514007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103372 + ... + 225141.

It is an arithmetic number, because the mean of its divisors is an integer number (620891460).

Almost surely, 2^20001514005 is an apocalyptic number.

It is an amenable number.

20001514005 is a deficient number, since it is larger than the sum of its proper divisors (19735539435).

20001514005 is a wasteful number, since it uses less digits than its factorization.

20001514005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328579 (or 328573 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The spelling of 20001514005 in words is "twenty billion, one million, five hundred fourteen thousand, five".