20221602 has 16 divisors (see below), whose sum is σ = 42822432. Its totient is φ = 6344000.

The previous prime is 20221549. The next prime is 20221633. The reversal of 20221602 is 20612202.

20221602 is nontrivially palindromic in base 12.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 99024 + ... + 99227.

It is an arithmetic number, because the mean of its divisors is an integer number (2676402).

Almost surely, 2^20221602 is an apocalyptic number.

20221602 is an abundant number, since it is smaller than the sum of its proper divisors (22600830).

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

20221602 is a wasteful number, since it uses less digits than its factorization.

20221602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198273.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20221602 is about 4496.8435596538. The cubic root of 20221602 is about 272.4406155140.

Adding to 20221602 its reverse (20612202), we get a palindrome (40833804).

The spelling of 20221602 in words is "twenty million, two hundred twenty-one thousand, six hundred two".