220900750 has 32 divisors (see below), whose sum is σ = 472605120. Its totient is φ = 75736800.

The previous prime is 220900739. The next prime is 220900777. The reversal of 220900750 is 57009022.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61365 + ... + 64864.

It is an arithmetic number, because the mean of its divisors is an integer number (14768910).

Almost surely, 2^220900750 is an apocalyptic number.

220900750 is an abundant number, since it is smaller than the sum of its proper divisors (251704370).

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

220900750 is a wasteful number, since it uses less digits than its factorization.

220900750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126253 (or 126243 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 220900750 is about 14862.7302337087. The cubic root of 220900750 is about 604.5038392766.

Adding to 220900750 its reverse (57009022), we get a palindrome (277909772).

The spelling of 220900750 in words is "two hundred twenty million, nine hundred thousand, seven hundred fifty".