2061269800 has 24 divisors (see below), whose sum is σ = 4792452750. Its totient is φ = 824507840.

The previous prime is 2061269789. The next prime is 2061269803. The reversal of 2061269800 is 89621602.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1513054404 + 548215396 = 38898^2 + 23414^2 .

It is not an unprimeable number, because it can be changed into a prime (2061269803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5152975 + ... + 5153374.

Almost surely, 2^2061269800 is an apocalyptic number.

2061269800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061269800 is an abundant number, since it is smaller than the sum of its proper divisors (2731182950).

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

2061269800 is a wasteful number, since it uses less digits than its factorization.

2061269800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10306365 (or 10306356 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2061269800 is about 45401.2092349973. The cubic root of 2061269800 is about 1272.6577116899.

The spelling of 2061269800 in words is "two billion, sixty-one million, two hundred sixty-nine thousand, eight hundred".