220201210110020 has 12 divisors (see below), whose sum is σ = 462422541231084. Its totient is φ = 88080484044000.

The previous prime is 220201210110017. The next prime is 220201210110067. The reversal of 220201210110020 is 20011012102022.

It can be written as a sum of positive squares in 2 ways, for example, as 95958442122244 + 124242767987776 = 9795838^2 + 11146424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220201210109977 and 220201210110004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505030252731 + ... + 5505030252770.

It is an arithmetic number, because the mean of its divisors is an integer number (38535211769257).

Almost surely, 2^{220201210110020} is an apocalyptic number.

220201210110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220201210110020 is an abundant number, since it is smaller than the sum of its proper divisors (242221331121064).

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

220201210110020 is a wasteful number, since it uses less digits than its factorization.

220201210110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010060505510 (or 11010060505508 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220201210110020 its reverse (20011012102022), we get a palindrome (240212222212042).

The spelling of 220201210110020 in words is "two hundred twenty trillion, two hundred one billion, two hundred ten million, one hundred ten thousand, twenty".