20445362 has 8 divisors (see below), whose sum is σ = 35049216. Its totient is φ = 8762292.

The previous prime is 20445361. The next prime is 20445427. The reversal of 20445362 is 26354402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20445362² = 836025654622088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20445361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730178 + ... + 730205.

It is an arithmetic number, because the mean of its divisors is an integer number (4381152).

Almost surely, 2^20445362 is an apocalyptic number.

20445362 is a deficient number, since it is larger than the sum of its proper divisors (14603854).

20445362 is a wasteful number, since it uses less digits than its factorization.

20445362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460392.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 20445362 is about 4521.6547855846. The cubic root of 20445362 is about 273.4418192537.

Adding to 20445362 its reverse (26354402), we get a palindrome (46799764).

The spelling of 20445362 in words is "twenty million, four hundred forty-five thousand, three hundred sixty-two".