2120220234 has 48 divisors (see below), whose sum is σ = 5045133600. Its totient is φ = 638170080.

The previous prime is 2120220233. The next prime is 2120220251. The reversal of 2120220234 is 4320220212.

2120220234 is a `hidden beast` number, since 212 + 0 + 220 + 234 = 666.

It is a super-3 number, since 3×2120220234³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2120220233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6432 + ... + 65435.

It is an arithmetic number, because the mean of its divisors is an integer number (105106950).

Almost surely, 2^2120220234 is an apocalyptic number.

2120220234 is an abundant number, since it is smaller than the sum of its proper divisors (2924913366).

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

2120220234 is a wasteful number, since it uses less digits than its factorization.

2120220234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72035 (or 72032 counting only the distinct ones).

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

The square root of 2120220234 is about 46045.8492591895. The cubic root of 2120220234 is about 1284.6761403810.

Adding to 2120220234 its reverse (4320220212), we get a palindrome (6440440446).

The spelling of 2120220234 in words is "two billion, one hundred twenty million, two hundred twenty thousand, two hundred thirty-four".