20013653426730 has 32 divisors (see below), whose sum is σ = 48709286091648. Its totient is φ = 5261805595200.

The previous prime is 20013653426647. The next prime is 20013653426731. The reversal of 20013653426730 is 3762435631002.

It is a super-2 number, since 2×20013653426730² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20013653426731) 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, 4698038581 + ... + 4698042840.

It is an arithmetic number, because the mean of its divisors is an integer number (1522165190364).

Almost surely, 2^{20013653426730} is an apocalyptic number.

20013653426730 is an abundant number, since it is smaller than the sum of its proper divisors (28695632664918).

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

20013653426730 is a wasteful number, since it uses less digits than its factorization.

20013653426730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9396081502.

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 20013653426730 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, four hundred twenty-six thousand, seven hundred thirty".