20355126254233 has 8 divisors (see below), whose sum is σ = 21177190031360. Its totient is φ = 19543402902240.

The previous prime is 20355126254201. The next prime is 20355126254273. The reversal of 20355126254233 is 33245262155302.

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

It is a cyclic number.

It is not a de Polignac number, because 20355126254233 - 2⁵ = 20355126254201 is a prime.

It is a super-2 number, since 2×20355126254233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20355126254233.

It is not an unprimeable number, because it can be changed into a prime (20355126254273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2585102268 + ... + 2585110141.

It is an arithmetic number, because the mean of its divisors is an integer number (2647148753920).

Almost surely, 2^{20355126254233} is an apocalyptic number.

It is an amenable number.

20355126254233 is a deficient number, since it is larger than the sum of its proper divisors (822063777127).

20355126254233 is a wasteful number, since it uses less digits than its factorization.

20355126254233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170212567.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 20355126254233 in words is "twenty trillion, three hundred fifty-five billion, one hundred twenty-six million, two hundred fifty-four thousand, two hundred thirty-three".