20020001100222 has 128 divisors (see below), whose sum is σ = 41457043537920. Its totient is φ = 6442565472000.

The previous prime is 20020001100221. The next prime is 20020001100251. The reversal of 20020001100222 is 22200110002002.

It is a junction number, because it is equal to n+sod(n) for n = 20020001100198 and 20020001100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020001100221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2828079679 + ... + 2828086757.

It is an arithmetic number, because the mean of its divisors is an integer number (323883152640).

Almost surely, 2^{20020001100222} is an apocalyptic number.

20020001100222 is an abundant number, since it is smaller than the sum of its proper divisors (21437042437698).

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

20020001100222 is a wasteful number, since it uses less digits than its factorization.

20020001100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7870.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020001100222 its reverse (22200110002002), we get a palindrome (42220111102224).

The spelling of 20020001100222 in words is "twenty trillion, twenty billion, one million, one hundred thousand, two hundred twenty-two".