2061228980 has 12 divisors (see below), whose sum is σ = 4328580900. Its totient is φ = 824491584.

The previous prime is 2061228977. The next prime is 2061229031. The reversal of 2061228980 is 898221602.

It can be written as a sum of positive squares in 2 ways, for example, as 1023616036 + 1037612944 = 31994^2 + 32212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51530705 + ... + 51530744.

It is an arithmetic number, because the mean of its divisors is an integer number (360715075).

Almost surely, 2^2061228980 is an apocalyptic number.

2061228980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061228980 is an abundant number, since it is smaller than the sum of its proper divisors (2267351920).

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

2061228980 is a wasteful number, since it uses less digits than its factorization.

2061228980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103061458 (or 103061456 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2061228980 is about 45400.7596852740. The cubic root of 2061228980 is about 1272.6493106821.

The spelling of 2061228980 in words is "two billion, sixty-one million, two hundred twenty-eight thousand, nine hundred eighty".