220401352 has 8 divisors (see below), whose sum is σ = 413252550. Its totient is φ = 110200672.

The previous prime is 220401329. The next prime is 220401371. The reversal of 220401352 is 253104022.

It can be written as a sum of positive squares in only one way, i.e., 150945796 + 69455556 = 12286^2 + 8334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13775077 + ... + 13775092.

Almost surely, 2^220401352 is an apocalyptic number.

It is an amenable number.

220401352 is a deficient number, since it is larger than the sum of its proper divisors (192851198).

220401352 is a wasteful number, since it uses less digits than its factorization.

220401352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27550175 (or 27550171 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 220401352 is about 14845.9203823811. The cubic root of 220401352 is about 604.0479546154.

Adding to 220401352 its reverse (253104022), we get a palindrome (473505374).

The spelling of 220401352 in words is "two hundred twenty million, four hundred one thousand, three hundred fifty-two".