220142552 has 32 divisors (see below), whose sum is σ = 473260320. Its totient is φ = 94041600.

The previous prime is 220142551. The next prime is 220142561. The reversal of 220142552 is 255241022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220142551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11552 + ... + 23952.

It is an arithmetic number, because the mean of its divisors is an integer number (14789385).

Almost surely, 2^220142552 is an apocalyptic number.

It is an amenable number.

220142552 is an abundant number, since it is smaller than the sum of its proper divisors (253117768).

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

220142552 is a wasteful number, since it uses less digits than its factorization.

220142552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12731 (or 12727 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 220142552 is about 14837.2016229476. The cubic root of 220142552 is about 603.8114333223.

Adding to 220142552 its reverse (255241022), we get a palindrome (475383574).

The spelling of 220142552 in words is "two hundred twenty million, one hundred forty-two thousand, five hundred fifty-two".