2122342020 has 96 divisors (see below), whose sum is σ = 6889962240. Its totient is φ = 541347840.

The previous prime is 2122341983. The next prime is 2122342021. The reversal of 2122342020 is 202432212.

2122342020 is a `hidden beast` number, since 2 + 1 + 223 + 420 + 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 = 2122341984 and 2122342002.

It is not an unprimeable number, because it can be changed into a prime (2122342021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73021 + ... + 97860.

It is an arithmetic number, because the mean of its divisors is an integer number (71770440).

Almost surely, 2^2122342020 is an apocalyptic number.

2122342020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122342020 is an abundant number, since it is smaller than the sum of its proper divisors (4767620220).

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

2122342020 is a wasteful number, since it uses less digits than its factorization.

2122342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170922 (or 170914 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2122342020 is about 46068.8834247152. The cubic root of 2122342020 is about 1285.1045391290.

Adding to 2122342020 its reverse (202432212), we get a palindrome (2324774232).

The spelling of 2122342020 in words is "two billion, one hundred twenty-two million, three hundred forty-two thousand, twenty".