20243828940290 has 16 divisors (see below), whose sum is σ = 36438944179968. Its totient is φ = 8097520001136.

The previous prime is 20243828940287. The next prime is 20243828940301. The reversal of 20243828940290 is 9204982834202.

It is a super-2 number, since 2×20243828940290² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10985999 + ... + 12695661.

It is an arithmetic number, because the mean of its divisors is an integer number (2277434011248).

Almost surely, 2^{20243828940290} is an apocalyptic number.

20243828940290 is a deficient number, since it is larger than the sum of its proper divisors (16195115239678).

20243828940290 is a wasteful number, since it uses less digits than its factorization.

20243828940290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893753.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 20243828940290 in words is "twenty trillion, two hundred forty-three billion, eight hundred twenty-eight million, nine hundred forty thousand, two hundred ninety".