2102055354020 has 24 divisors (see below), whose sum is σ = 4566534046200. Its totient is φ = 811828274432.

The previous prime is 2102055354017. The next prime is 2102055354053. The reversal of 2102055354020 is 204535502012.

It can be written as a sum of positive squares in 4 ways, for example, as 179789568256 + 1922265785764 = 424016^2 + 1386458^2 .

It is a super-2 number, since 2×2102055354020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 1812116105 + ... + 1812117264.

It is an arithmetic number, because the mean of its divisors is an integer number (190272251925).

Almost surely, 2^{2102055354020} is an apocalyptic number.

2102055354020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102055354020 is an abundant number, since it is smaller than the sum of its proper divisors (2464478692180).

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

2102055354020 is a wasteful number, since it uses less digits than its factorization.

2102055354020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624233407 (or 3624233405 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 2102055354020 in words is "two trillion, one hundred two billion, fifty-five million, three hundred fifty-four thousand, twenty".