2070998280 has 160 divisors (see below), whose sum is σ = 7496458200. Its totient is φ = 509773824.

The previous prime is 2070998243. The next prime is 2070998291. The reversal of 2070998280 is 828990702.

It can be written as a sum of positive squares in 4 ways, for example, as 1479633156 + 591365124 = 38466^2 + 24318^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17536 + ... + 66704.

Almost surely, 2^2070998280 is an apocalyptic number.

2070998280 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 2070998280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3748229100).

2070998280 is an abundant number, since it is smaller than the sum of its proper divisors (5425459920).

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

2070998280 is a wasteful number, since it uses less digits than its factorization.

2070998280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49205 (or 49192 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 2070998280 is about 45508.2221142510. Note that the first 3 decimals coincide. The cubic root of 2070998280 is about 1274.6567380434.

The spelling of 2070998280 in words is "two billion, seventy million, nine hundred ninety-eight thousand, two hundred eighty".