2103011200020 has 24 divisors (see below), whose sum is σ = 5888431360224. Its totient is φ = 560802986656.

The previous prime is 2103011199973. The next prime is 2103011200021. The reversal of 2103011200020 is 200021103012.

It is a super-2 number, since 2×2103011200020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2103011199969 and 2103011200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103011200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17525093274 + ... + 17525093393.

It is an arithmetic number, because the mean of its divisors is an integer number (245351306676).

Almost surely, 2^{2103011200020} is an apocalyptic number.

2103011200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103011200020 is an abundant number, since it is smaller than the sum of its proper divisors (3785420160204).

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

2103011200020 is a wasteful number, since it uses less digits than its factorization.

2103011200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35050186679 (or 35050186677 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2103011200020 its reverse (200021103012), we get a palindrome (2303032303032).

The spelling of 2103011200020 in words is "two trillion, one hundred three billion, eleven million, two hundred thousand, twenty".