220001120201020 has 48 divisors (see below), whose sum is σ = 469900842576480. Its totient is φ = 86496405142784.

The previous prime is 220001120200987. The next prime is 220001120201069. The reversal of 220001120201020 is 20102021100022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5314999 + ... + 21639118.

It is an arithmetic number, because the mean of its divisors is an integer number (9789600887010).

Almost surely, 2^{220001120201020} is an apocalyptic number.

220001120201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220001120201020 is an abundant number, since it is smaller than the sum of its proper divisors (249899722375460).

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

220001120201020 is a wasteful number, since it uses less digits than its factorization.

220001120201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26961102 (or 26961100 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220001120201020 its reverse (20102021100022), we get a palindrome (240103141301042).

The spelling of 220001120201020 in words is "two hundred twenty trillion, one billion, one hundred twenty million, two hundred one thousand, twenty".