20013773516502 has 8 divisors (see below), whose sum is σ = 40027547033016. Its totient is φ = 6671257838832.

The previous prime is 20013773516489. The next prime is 20013773516509. The reversal of 20013773516502 is 20561537731002.

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

20013773516502 is an admirable number.

It is a super-2 number, since 2×20013773516502² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013773516509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667814459703 + ... + 1667814459714.

It is an arithmetic number, because the mean of its divisors is an integer number (5003443379127).

Almost surely, 2^{20013773516502} is an apocalyptic number.

20013773516502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20013773516502 is a wasteful number, since it uses less digits than its factorization.

20013773516502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335628919422.

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 20013773516502 in words is "twenty trillion, thirteen billion, seven hundred seventy-three million, five hundred sixteen thousand, five hundred two".