220011000020 has 48 divisors (see below), whose sum is σ = 534388192128. Its totient is φ = 74523515520.

The previous prime is 220011000017. The next prime is 220011000037. The reversal of 220011000020 is 20000110022.

It is a junction number, because it is equal to n+sod(n) for n = 220010999971 and 220011000007.

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, 9455291 + ... + 9478530.

It is an arithmetic number, because the mean of its divisors is an integer number (11133087336).

Almost surely, 2^220011000020 is an apocalyptic number.

220011000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220011000020 is an abundant number, since it is smaller than the sum of its proper divisors (314377192108).

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

220011000020 is a wasteful number, since it uses less digits than its factorization.

220011000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18933920 (or 18933918 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 220011000020 its reverse (20000110022), we get a palindrome (240011110042).

The spelling of 220011000020 in words is "two hundred twenty billion, eleven million, twenty", and thus it is an aban number.