20135313157733 has 8 divisors (see below), whose sum is σ = 21328697499480. Its totient is φ = 18942923722240.

The previous prime is 20135313157721. The next prime is 20135313157747. The reversal of 20135313157733 is 33775131353102.

It can be written as a sum of positive squares in 4 ways, for example, as 4235372232004 + 15899940925729 = 2058002^2 + 3987473^2 .

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

It is not a de Polignac number, because 20135313157733 - 2⁴⁰ = 19035801529957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135313157763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248684888 + ... + 248765841.

It is an arithmetic number, because the mean of its divisors is an integer number (2666087187435).

Almost surely, 2^{20135313157733} is an apocalyptic number.

It is an amenable number.

20135313157733 is a deficient number, since it is larger than the sum of its proper divisors (1193384341747).

20135313157733 is a wasteful number, since it uses less digits than its factorization.

20135313157733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497453127.

The product of its (nonzero) digits is 595350, while the sum is 44.

The spelling of 20135313157733 in words is "twenty trillion, one hundred thirty-five billion, three hundred thirteen million, one hundred fifty-seven thousand, seven hundred thirty-three".