20415593013 has 16 divisors (see below), whose sum is σ = 27923616000. Its totient is φ = 13259909120.

The previous prime is 20415592987. The next prime is 20415593039. The reversal of 20415593013 is 31039551402.

It is an interprime number because it is at equal distance from previous prime (20415592987) and next prime (20415593039).

It is a cyclic number.

It is not a de Polignac number, because 20415593013 - 2¹² = 20415588917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415593813) by changing a digit.

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, 26988 + ... + 203861.

It is an arithmetic number, because the mean of its divisors is an integer number (1745226000).

Almost surely, 2^20415593013 is an apocalyptic number.

It is an amenable number.

20415593013 is a deficient number, since it is larger than the sum of its proper divisors (7508022987).

20415593013 is a wasteful number, since it uses less digits than its factorization.

20415593013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231612.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 20415593013 in words is "twenty billion, four hundred fifteen million, five hundred ninety-three thousand, thirteen".