220199818125001 has 32 divisors (see below), whose sum is σ = 264717569571840. Its totient is φ = 180482315227200.

The previous prime is 220199818124983. The next prime is 220199818125011. The reversal of 220199818125001 is 100521818991022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220199818125001 - 2³⁵ = 220165458386633 is a prime.

It is a super-2 number, since 2×220199818125001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220199818125011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348400210 + ... + 349031668.

It is an arithmetic number, because the mean of its divisors is an integer number (8272424049120).

Almost surely, 2^{220199818125001} is an apocalyptic number.

It is an amenable number.

220199818125001 is a deficient number, since it is larger than the sum of its proper divisors (44517751446839).

220199818125001 is a wasteful number, since it uses less digits than its factorization.

220199818125001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688237.

The product of its (nonzero) digits is 207360, while the sum is 49.

The spelling of 220199818125001 in words is "two hundred twenty trillion, one hundred ninety-nine billion, eight hundred eighteen million, one hundred twenty-five thousand, one".