2220001011020 has 96 divisors (see below), whose sum is σ = 5108219424000. Its totient is φ = 805404006144.

The previous prime is 2220001011013. The next prime is 2220001011121. The reversal of 2220001011020 is 201101000222.

It is a happy number.

It is a super-2 number, since 2×2220001011020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220001010992 and 2220001011010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32164187 + ... + 32233133.

It is an arithmetic number, because the mean of its divisors is an integer number (53210619000).

Almost surely, 2^{2220001011020} is an apocalyptic number.

2220001011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220001011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2554109712000).

2220001011020 is an abundant number, since it is smaller than the sum of its proper divisors (2888218412980).

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

2220001011020 is a wasteful number, since it uses less digits than its factorization.

2220001011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71127 (or 71125 counting only the distinct ones).

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

Adding to 2220001011020 its reverse (201101000222), we get a palindrome (2421102011242).

The spelling of 2220001011020 in words is "two trillion, two hundred twenty billion, one million, eleven thousand, twenty".