2801652220 has 48 divisors (see below), whose sum is σ = 6204068640. Its totient is φ = 1059803136.

The previous prime is 2801652209. The next prime is 2801652223. The reversal of 2801652220 is 222561082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801652223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219124 + ... + 231556.

It is an arithmetic number, because the mean of its divisors is an integer number (129251430).

Almost surely, 2^2801652220 is an apocalyptic number.

2801652220 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 2801652220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3102034320).

2801652220 is an abundant number, since it is smaller than the sum of its proper divisors (3402416420).

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

2801652220 is a wasteful number, since it uses less digits than its factorization.

2801652220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13054 (or 13052 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2801652220 is about 52930.6359304326. The cubic root of 2801652220 is about 1409.7369225661.

The spelling of 2801652220 in words is "two billion, eight hundred one million, six hundred fifty-two thousand, two hundred twenty".