2699130885220 has 216 divisors, whose sum is σ = 7251178891320. Its totient is φ = 840860697600.

The previous prime is 2699130885179. The next prime is 2699130885281. The reversal of 2699130885220 is 225880319962.

It can be written as a sum of positive squares in 4 ways, for example, as 258737030244 + 2440393854976 = 508662^2 + 1562176^2 .

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 298935666 + ... + 298944694.

It is an arithmetic number, because the mean of its divisors is an integer number (33570272645).

Almost surely, 2^{2699130885220} is an apocalyptic number.

2699130885220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2699130885220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3625589445660).

2699130885220 is an abundant number, since it is smaller than the sum of its proper divisors (4552048006100).

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

2699130885220 is a wasteful number, since it uses less digits than its factorization.

2699130885220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11595 (or 11575 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 2699130885220 in words is "two trillion, six hundred ninety-nine billion, one hundred thirty million, eight hundred eighty-five thousand, two hundred twenty".