2512090820 has 96 divisors (see below), whose sum is σ = 5651347968. Its totient is φ = 935846912.

The previous prime is 2512090817. The next prime is 2512090853. The reversal of 2512090820 is 280902152.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4071152 + ... + 4071768.

It is an arithmetic number, because the mean of its divisors is an integer number (58868208).

Almost surely, 2^2512090820 is an apocalyptic number.

2512090820 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 2512090820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2825673984).

2512090820 is an abundant number, since it is smaller than the sum of its proper divisors (3139257148).

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

2512090820 is a wasteful number, since it uses less digits than its factorization.

2512090820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2512090820 is about 50120.7623645132. The cubic root of 2512090820 is about 1359.3932594861.

Adding to 2512090820 its reverse (280902152), we get a palindrome (2792992972).

The spelling of 2512090820 in words is "two billion, five hundred twelve million, ninety thousand, eight hundred twenty".