223020140 has 48 divisors (see below), whose sum is σ = 536481792. Its totient is φ = 76287936.

The previous prime is 223020097. The next prime is 223020143. The reversal of 223020140 is 41020322.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (223020143) 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, 68837 + ... + 72003.

It is an arithmetic number, because the mean of its divisors is an integer number (11176704).

Almost surely, 2^223020140 is an apocalyptic number.

223020140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223020140 is an abundant number, since it is smaller than the sum of its proper divisors (313461652).

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

223020140 is a wasteful number, since it uses less digits than its factorization.

223020140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 223020140 is about 14933.8588449202. The cubic root of 223020140 is about 606.4309547334.

Adding to 223020140 its reverse (41020322), we get a palindrome (264040462).

The spelling of 223020140 in words is "two hundred twenty-three million, twenty thousand, one hundred forty".