220031033201 has 24 divisors (see below), whose sum is σ = 271105417800. Its totient is φ = 177441933312.

The previous prime is 220031033119. The next prime is 220031033219. The reversal of 220031033201 is 102330130022.

It can be written as a sum of positive squares in 4 ways, for example, as 135262128400 + 84768904801 = 367780^2 + 291151^2 .

It is a de Polignac number, because none of the positive numbers 2^k-220031033201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220031033201.

It is not an unprimeable number, because it can be changed into a prime (220031033251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2415125 + ... + 2504573.

It is an arithmetic number, because the mean of its divisors is an integer number (11296059075).

Almost surely, 2^220031033201 is an apocalyptic number.

It is an amenable number.

220031033201 is a deficient number, since it is larger than the sum of its proper divisors (51074384599).

220031033201 is a wasteful number, since it uses less digits than its factorization.

220031033201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92433 (or 92426 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 220031033201 its reverse (102330130022), we get a palindrome (322361163223).

The spelling of 220031033201 in words is "two hundred twenty billion, thirty-one million, thirty-three thousand, two hundred one".