2120551488 has 280 divisors, whose sum is σ = 7032430944. Its totient is φ = 626227200.

The previous prime is 2120551481. The next prime is 2120551501. The reversal of 2120551488 is 8841550212.

2120551488 is a `hidden beast` number, since 2 + 1 + 20 + 551 + 4 + 88 = 666.

It is a super-2 number, since 2×2120551488² = 8993477226518028288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2120551481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2337531 + ... + 2338437.

Almost surely, 2^2120551488 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 2120551488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3516215472).

2120551488 is an abundant number, since it is smaller than the sum of its proper divisors (4911879456).

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

2120551488 is a wasteful number, since it uses less digits than its factorization.

2120551488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 2120551488 is about 46049.4461204475. The cubic root of 2120551488 is about 1284.7430409704.

The spelling of 2120551488 in words is "two billion, one hundred twenty million, five hundred fifty-one thousand, four hundred eighty-eight".