220251542250 has 32 divisors (see below), whose sum is σ = 549747851328. Its totient is φ = 58733744400.

The previous prime is 220251542249. The next prime is 220251542257. The reversal of 220251542250 is 52245152022.

It is a super-3 number, since 3×220251542250³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (220251542257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146833612 + ... + 146835111.

It is an arithmetic number, because the mean of its divisors is an integer number (17179620354).

Almost surely, 2^220251542250 is an apocalyptic number.

220251542250 is an abundant number, since it is smaller than the sum of its proper divisors (329496309078).

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

220251542250 is a wasteful number, since it uses less digits than its factorization.

220251542250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293668743 (or 293668733 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 220251542250 its reverse (52245152022), we get a palindrome (272496694272).

The spelling of 220251542250 in words is "two hundred twenty billion, two hundred fifty-one million, five hundred forty-two thousand, two hundred fifty".