2061125620 has 24 divisors (see below), whose sum is σ = 4331601288. Its totient is φ = 823833600.

The previous prime is 2061125449. The next prime is 2061125621. The reversal of 2061125620 is 265211602.

It can be written as a sum of positive squares in 4 ways, for example, as 100761444 + 1960364176 = 10038^2 + 44276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061125621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10641 + ... + 65080.

It is an arithmetic number, because the mean of its divisors is an integer number (180483387).

Almost surely, 2^2061125620 is an apocalyptic number.

2061125620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061125620 is an abundant number, since it is smaller than the sum of its proper divisors (2270475668).

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

2061125620 is a wasteful number, since it uses less digits than its factorization.

2061125620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77091 (or 77089 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2061125620 is about 45399.6213640599. The cubic root of 2061125620 is about 1272.6280380606.

The spelling of 2061125620 in words is "two billion, sixty-one million, one hundred twenty-five thousand, six hundred twenty".