2102033203220 has 12 divisors (see below), whose sum is σ = 4414269726804. Its totient is φ = 840813281280.

The previous prime is 2102033203219. The next prime is 2102033203243. The reversal of 2102033203220 is 223023302012.

It can be written as a sum of positive squares in 2 ways, for example, as 1050764404624 + 1051268798596 = 1025068^2 + 1025314^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 105101660161 = 2102033203220 / (2 + 1 + 0 + 2 + 0 + 3 + 3 + 2 + 0 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2102033203192 and 2102033203201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52550830061 + ... + 52550830100.

It is an arithmetic number, because the mean of its divisors is an integer number (367855810567).

Almost surely, 2^{2102033203220} is an apocalyptic number.

2102033203220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102033203220 is an abundant number, since it is smaller than the sum of its proper divisors (2312236523584).

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

2102033203220 is a wasteful number, since it uses less digits than its factorization.

2102033203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105101660170 (or 105101660168 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2102033203220 its reverse (223023302012), we get a palindrome (2325056505232).

The spelling of 2102033203220 in words is "two trillion, one hundred two billion, thirty-three million, two hundred three thousand, two hundred twenty".