220203200131220 has 24 divisors (see below), whose sum is σ = 463913622926208. Its totient is φ = 87798060500000.

The previous prime is 220203200131207. The next prime is 220203200131261. The reversal of 220203200131220 is 22131002302022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220203200131192 and 220203200131201.

It is a congruent 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, 17701215656 + ... + 17701228095.

It is an arithmetic number, because the mean of its divisors is an integer number (19329734288592).

Almost surely, 2^{220203200131220} is an apocalyptic number.

220203200131220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220203200131220 is an abundant number, since it is smaller than the sum of its proper divisors (243710422794988).

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

220203200131220 is a wasteful number, since it uses less digits than its factorization.

220203200131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35402444071 (or 35402444069 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220203200131220 its reverse (22131002302022), we get a palindrome (242334202433242).

The spelling of 220203200131220 in words is "two hundred twenty trillion, two hundred three billion, two hundred million, one hundred thirty-one thousand, two hundred twenty".