2077270920 has 112 divisors (see below), whose sum is σ = 7007682060. Its totient is φ = 553931136.

The previous prime is 2077270907. The next prime is 2077270973. The reversal of 2077270920 is 290727702.

It can be written as a sum of positive squares in 2 ways, for example, as 1833723684 + 243547236 = 42822^2 + 15606^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6459 + ... + 64778.

Almost surely, 2^2077270920 is an apocalyptic number.

2077270920 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 2077270920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3503841030).

2077270920 is an abundant number, since it is smaller than the sum of its proper divisors (4930411140).

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

2077270920 is an equidigital number, since it uses as much as digits as its factorization.

2077270920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71266 (or 71247 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 2077270920 is about 45577.0876647466. The cubic root of 2077270920 is about 1275.9423345042.

The spelling of 2077270920 in words is "two billion, seventy-seven million, two hundred seventy thousand, nine hundred twenty".