20620362 has 32 divisors (see below), whose sum is σ = 47608704. Its totient is φ = 5832000.

The previous prime is 20620361. The next prime is 20620373. The reversal of 20620362 is 26302602.

It is a super-2 number, since 2×20620362² = 850398658022088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20620361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812 + ... + 6672.

It is an arithmetic number, because the mean of its divisors is an integer number (1487772).

Almost surely, 2^20620362 is an apocalyptic number.

20620362 is an abundant number, since it is smaller than the sum of its proper divisors (26988342).

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

20620362 is a wasteful number, since it uses less digits than its factorization.

20620362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20620362 is about 4540.9648754422. The cubic root of 20620362 is about 274.2197696904.

Adding to 20620362 its reverse (26302602), we get a palindrome (46922964).

The spelling of 20620362 in words is "twenty million, six hundred twenty thousand, three hundred sixty-two".