2120542524 has 48 divisors (see below), whose sum is σ = 5687287200. Its totient is φ = 682472448.

The previous prime is 2120542493. The next prime is 2120542537. The reversal of 2120542524 is 4252450212.

2120542524 is a `hidden beast` number, since 212 + 0 + 5 + 425 + 24 = 666.

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 15 ways as a sum of consecutive naturals, for example, 335397 + ... + 341660.

It is an arithmetic number, because the mean of its divisors is an integer number (118485150).

Almost surely, 2^2120542524 is an apocalyptic number.

It is an amenable number.

2120542524 is an abundant number, since it is smaller than the sum of its proper divisors (3566744676).

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

2120542524 is a wasteful number, since it uses less digits than its factorization.

2120542524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677099 (or 677091 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2120542524 is about 46049.3487901838. The cubic root of 2120542524 is about 1284.7412306783.

Adding to 2120542524 its reverse (4252450212), we get a palindrome (6372992736).

It can be divided in two parts, 2120 and 542524, that added together give a square (544644 = 738²).

The spelling of 2120542524 in words is "two billion, one hundred twenty million, five hundred forty-two thousand, five hundred twenty-four".