2641250220 has 192 divisors, whose sum is σ = 9238634496. Its totient is φ = 549826560.

The previous prime is 2641250179. The next prime is 2641250239. The reversal of 2641250220 is 220521462.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215374 + ... + 227306.

It is an arithmetic number, because the mean of its divisors is an integer number (48117888).

Almost surely, 2^2641250220 is an apocalyptic number.

2641250220 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 2641250220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4619317248).

2641250220 is an abundant number, since it is smaller than the sum of its proper divisors (6597384276).

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

2641250220 is a wasteful number, since it uses less digits than its factorization.

2641250220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12000 (or 11998 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2641250220 is about 51393.0950614963. The cubic root of 2641250220 is about 1382.3027820094.

Adding to 2641250220 its reverse (220521462), we get a palindrome (2861771682).

The spelling of 2641250220 in words is "two billion, six hundred forty-one million, two hundred fifty thousand, two hundred twenty".