220123950 has 24 divisors (see below), whose sum is σ = 545907768. Its totient is φ = 58699680.

The previous prime is 220123933. The next prime is 220123951. The reversal of 220123950 is 59321022.

It is a self number, because there is not a number n which added to its sum of digits gives 220123950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220123951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733597 + ... + 733896.

It is an arithmetic number, because the mean of its divisors is an integer number (22746157).

Almost surely, 2^220123950 is an apocalyptic number.

220123950 is an abundant number, since it is smaller than the sum of its proper divisors (325783818).

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

220123950 is a wasteful number, since it uses less digits than its factorization.

220123950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467508 (or 1467503 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 220123950 is about 14836.5747394741. The cubic root of 220123950 is about 603.7944255296.

Adding to 220123950 its reverse (59321022), we get a palindrome (279444972).

The spelling of 220123950 in words is "two hundred twenty million, one hundred twenty-three thousand, nine hundred fifty".