2103122302020 has 144 divisors (see below), whose sum is σ = 6400157570352. Its totient is φ = 559016140800.

The previous prime is 2103122301991. The next prime is 2103122302031. The reversal of 2103122302020 is 202032213012.

2103122302020 is a `hidden beast` number, since 210 + 31 + 223 + 0 + 202 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 983381622336 + 1119740679684 = 991656^2 + 1058178^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2103122301984 and 2103122302002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103423774 + ... + 103444106.

It is an arithmetic number, because the mean of its divisors is an integer number (44445538683).

Almost surely, 2^{2103122302020} is an apocalyptic number.

2103122302020 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 2103122302020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3200078785176).

2103122302020 is an abundant number, since it is smaller than the sum of its proper divisors (4297035268332).

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

2103122302020 is a wasteful number, since it uses less digits than its factorization.

2103122302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22182 (or 22177 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2103122302020 its reverse (202032213012), we get a palindrome (2305154515032).

The spelling of 2103122302020 in words is "two trillion, one hundred three billion, one hundred twenty-two million, three hundred two thousand, twenty".