20072252 has 12 divisors (see below), whose sum is σ = 36259776. Its totient is φ = 9712320.

The previous prime is 20072209. The next prime is 20072267. The reversal of 20072252 is 25227002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80813 + ... + 81060.

It is an arithmetic number, because the mean of its divisors is an integer number (3021648).

Almost surely, 2^20072252 is an apocalyptic number.

It is an amenable number.

20072252 is a deficient number, since it is larger than the sum of its proper divisors (16187524).

20072252 is a wasteful number, since it uses less digits than its factorization.

20072252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161908 (or 161906 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 20072252 is about 4480.2066916606. The cubic root of 20072252 is about 271.7682389999.

Adding to 20072252 its reverse (25227002), we get a palindrome (45299254).

The spelling of 20072252 in words is "twenty million, seventy-two thousand, two hundred fifty-two".