2120522652 has 60 divisors (see below), whose sum is σ = 5572352016. Its totient is φ = 703157760.

The previous prime is 2120522647. The next prime is 2120522669. The reversal of 2120522652 is 2562250212.

2120522652 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 5 + 2 + 2 + 652 = 666.

It is a super-2 number, since 2×2120522652² = 8993232635290226208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45577 + ... + 79487.

Almost surely, 2^2120522652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120522652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2786176008).

2120522652 is an abundant number, since it is smaller than the sum of its proper divisors (3451829364).

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

2120522652 is a wasteful number, since it uses less digits than its factorization.

2120522652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34120 (or 34109 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2120522652 is about 46049.1330211547. The cubic root of 2120522652 is about 1284.7372174825.

Adding to 2120522652 its reverse (2562250212), we get a palindrome (4682772864).

The spelling of 2120522652 in words is "two billion, one hundred twenty million, five hundred twenty-two thousand, six hundred fifty-two".