2061355260 has 48 divisors (see below), whose sum is σ = 5775208992. Its totient is φ = 549369600.

The previous prime is 2061355253. The next prime is 2061355291. The reversal of 2061355260 is 625531602.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 102430 + ... + 120890.

It is an arithmetic number, because the mean of its divisors is an integer number (120316854).

Almost surely, 2^2061355260 is an apocalyptic number.

2061355260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061355260 is an abundant number, since it is smaller than the sum of its proper divisors (3713853732).

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

2061355260 is a wasteful number, since it uses less digits than its factorization.

2061355260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20334 (or 20332 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2061355260 is about 45402.1503896016. The cubic root of 2061355260 is about 1272.6752995258.

Adding to 2061355260 its reverse (625531602), we get a palindrome (2686886862).

The spelling of 2061355260 in words is "two billion, sixty-one million, three hundred fifty-five thousand, two hundred sixty".