2102240432000 has 128 divisors (see below), whose sum is σ = 5228018078400. Its totient is φ = 840683366400.

The previous prime is 2102240431897. The next prime is 2102240432027. The reversal of 2102240432000 is 2340422012.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73313666 + ... + 73342334.

Almost surely, 2^{2102240432000} is an apocalyptic number.

2102240432000 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 2102240432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2614009039200).

2102240432000 is an abundant number, since it is smaller than the sum of its proper divisors (3125777646400).

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

2102240432000 is an equidigital number, since it uses as much as digits as its factorization.

2102240432000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33281 (or 33259 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 2102240432000 its reverse (2340422012), we get a palindrome (2104580854012).

The spelling of 2102240432000 in words is "two trillion, one hundred two billion, two hundred forty million, four hundred thirty-two thousand".