20021362 has 8 divisors (see below), whose sum is σ = 31337856. Its totient is φ = 9575412.

The previous prime is 20021357. The next prime is 20021363. The reversal of 20021362 is 26312002.

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

It is not an unprimeable number, because it can be changed into a prime (20021363) 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, 217578 + ... + 217669.

It is an arithmetic number, because the mean of its divisors is an integer number (3917232).

Almost surely, 2^20021362 is an apocalyptic number.

20021362 is a deficient number, since it is larger than the sum of its proper divisors (11316494).

20021362 is a wasteful number, since it uses less digits than its factorization.

20021362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435272.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20021362 is about 4474.5236617991. The cubic root of 20021362 is about 271.5383695872.

Adding to 20021362 its reverse (26312002), we get a palindrome (46333364).

It can be divided in two parts, 2002 and 1362, that added together give a square (3364 = 58²).

The spelling of 20021362 in words is "twenty million, twenty-one thousand, three hundred sixty-two".