20020113003220 has 24 divisors (see below), whose sum is σ = 45864258880608. Its totient is φ = 7280041092000.

The previous prime is 20020113003199. The next prime is 20020113003257. The reversal of 20020113003220 is 2230031102002.

It is a junction number, because it is equal to n+sod(n) for n = 20020113003194 and 20020113003203.

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, 45500256606 + ... + 45500257045.

It is an arithmetic number, because the mean of its divisors is an integer number (1911010786692).

Almost surely, 2^{20020113003220} is an apocalyptic number.

20020113003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020113003220 is an abundant number, since it is smaller than the sum of its proper divisors (25844145877388).

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

20020113003220 is a wasteful number, since it uses less digits than its factorization.

20020113003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91000513671 (or 91000513669 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20020113003220 its reverse (2230031102002), we get a palindrome (22250144105222).

The spelling of 20020113003220 in words is "twenty trillion, twenty billion, one hundred thirteen million, three thousand, two hundred twenty".