20020221101120 has 112 divisors (see below), whose sum is σ = 48883486421808. Its totient is φ = 7807101173760.

The previous prime is 20020221101047. The next prime is 20020221101137. The reversal of 20020221101120 is 2110112202002.

It can be written as a sum of positive squares in 8 ways, for example, as 15076322214976 + 4943898886144 = 3882824^2 + 2223488^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20020221101095 and 20020221101104.

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, 2332409 + ... + 6743928.

Almost surely, 2^{20020221101120} is an apocalyptic number.

20020221101120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020221101120 is an abundant number, since it is smaller than the sum of its proper divisors (28863265320688).

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

20020221101120 is a wasteful number, since it uses less digits than its factorization.

20020221101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9076528 (or 9076518 counting only the distinct ones).

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

Adding to 20020221101120 its reverse (2110112202002), we get a palindrome (22130333303122).

The spelling of 20020221101120 in words is "twenty trillion, twenty billion, two hundred twenty-one million, one hundred one thousand, one hundred twenty".