2001110020220 has 24 divisors (see below), whose sum is σ = 4213303202304. Its totient is φ = 798354072896.

The previous prime is 2001110020219. The next prime is 2001110020277. The reversal of 2001110020220 is 220200111002.

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 7 ways as a sum of consecutive naturals, for example, 130613099 + ... + 130628418.

It is an arithmetic number, because the mean of its divisors is an integer number (175554300096).

Almost surely, 2^{2001110020220} is an apocalyptic number.

2001110020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001110020220 is an abundant number, since it is smaller than the sum of its proper divisors (2212193182084).

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

2001110020220 is a wasteful number, since it uses less digits than its factorization.

2001110020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261241909 (or 261241907 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2001110020220 its reverse (220200111002), we get a palindrome (2221310131222).

The spelling of 2001110020220 in words is "two trillion, one billion, one hundred ten million, twenty thousand, two hundred twenty".