2770025220 has 288 divisors, whose sum is σ = 9222595200. Its totient is φ = 670298112.

The previous prime is 2770025147. The next prime is 2770025281. The reversal of 2770025220 is 225200772.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12096066 + ... + 12096294.

It is an arithmetic number, because the mean of its divisors is an integer number (32022900).

Almost surely, 2^2770025220 is an apocalyptic number.

2770025220 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 2770025220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4611297600).

2770025220 is an abundant number, since it is smaller than the sum of its proper divisors (6452569980).

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

2770025220 is a wasteful number, since it uses less digits than its factorization.

2770025220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2770025220 is about 52631.0290608116. The cubic root of 2770025220 is about 1404.4121382416.

Adding to 2770025220 its reverse (225200772), we get a palindrome (2995225992).

The spelling of 2770025220 in words is "two billion, seven hundred seventy million, twenty-five thousand, two hundred twenty".