20135700370734 has 32 divisors (see below), whose sum is σ = 43370711877024. Its totient is φ = 6195384245760.

The previous prime is 20135700370703. The next prime is 20135700370739. The reversal of 20135700370734 is 43707300753102.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135700370739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2237007 + ... + 6728714.

It is an arithmetic number, because the mean of its divisors is an integer number (1355334746157).

Almost surely, 2^{20135700370734} is an apocalyptic number.

20135700370734 is an abundant number, since it is smaller than the sum of its proper divisors (23235011506290).

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

20135700370734 is a wasteful number, since it uses less digits than its factorization.

20135700370734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994532.

The product of its (nonzero) digits is 370440, while the sum is 42.

The spelling of 20135700370734 in words is "twenty trillion, one hundred thirty-five billion, seven hundred million, three hundred seventy thousand, seven hundred thirty-four".