2101232032020 has 144 divisors (see below), whose sum is σ = 7319124146880. Its totient is φ = 482579596800.

The previous prime is 2101232032019. The next prime is 2101232032027. The reversal of 2101232032020 is 202302321012.

2101232032020 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 2 + 320 + 320 + 20 = 666.

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 = 2101232031984 and 2101232032002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101232032027) 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 47 ways as a sum of consecutive naturals, for example, 27889441 + ... + 27964680.

It is an arithmetic number, because the mean of its divisors is an integer number (50827251020).

Almost surely, 2^{2101232032020} is an apocalyptic number.

2101232032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101232032020 is an abundant number, since it is smaller than the sum of its proper divisors (5217892114860).

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

2101232032020 is a wasteful number, since it uses less digits than its factorization.

2101232032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55854166 (or 55854161 counting only the distinct ones).

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

Adding to 2101232032020 its reverse (202302321012), we get a palindrome (2303534353032).

The spelling of 2101232032020 in words is "two trillion, one hundred one billion, two hundred thirty-two million, thirty-two thousand, twenty".