2120102424 has 160 divisors (see below), whose sum is σ = 6507167040. Its totient is φ = 639576000.

The previous prime is 2120102393. The next prime is 2120102443. The reversal of 2120102424 is 4242010212.

2120102424 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 = 2120102397 and 2120102406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2016699 + ... + 2017749.

It is an arithmetic number, because the mean of its divisors is an integer number (40669794).

Almost surely, 2^2120102424 is an apocalyptic number.

2120102424 is a gapful number since it is divisible by the number (24) 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 2120102424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3253583520).

2120102424 is an abundant number, since it is smaller than the sum of its proper divisors (4387064616).

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

2120102424 is a wasteful number, since it uses less digits than its factorization.

2120102424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2120102424 is about 46044.5699730164. The cubic root of 2120102424 is about 1284.6523456046.

Adding to 2120102424 its reverse (4242010212), we get a palindrome (6362112636).

The spelling of 2120102424 in words is "two billion, one hundred twenty million, one hundred two thousand, four hundred twenty-four".