2150452220 has 48 divisors (see below), whose sum is σ = 5266430400. Its totient is φ = 737295552.

The previous prime is 2150452219. The next prime is 2150452223. The reversal of 2150452220 is 222540512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150452223) 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, 149879 + ... + 163598.

It is an arithmetic number, because the mean of its divisors is an integer number (109717300).

Almost surely, 2^2150452220 is an apocalyptic number.

2150452220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150452220 is an abundant number, since it is smaller than the sum of its proper divisors (3115978180).

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

2150452220 is a wasteful number, since it uses less digits than its factorization.

2150452220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313507 (or 313491 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2150452220 is about 46372.9686347553. The cubic root of 2150452220 is about 1290.7533648060.

Adding to 2150452220 its reverse (222540512), we get a palindrome (2372992732).

The spelling of 2150452220 in words is "two billion, one hundred fifty million, four hundred fifty-two thousand, two hundred twenty".