20221102 has 16 divisors (see below), whose sum is σ = 33212592. Its totient is φ = 9157120.

The previous prime is 20221099. The next prime is 20221127. The reversal of 20221102 is 20112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4878 + ... + 8014.

It is an arithmetic number, because the mean of its divisors is an integer number (2075787).

Almost surely, 2^20221102 is an apocalyptic number.

20221102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20221102 is a deficient number, since it is larger than the sum of its proper divisors (12991490).

20221102 is a wasteful number, since it uses less digits than its factorization.

20221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20221102 is about 4496.7879647588. The cubic root of 20221102 is about 272.4383700369.

Adding to 20221102 its reverse (20112202), we get a palindrome (40333304).

Subtracting from 20221102 its reverse (20112202), we obtain a square (108900 = 330²).

It can be divided in two parts, 20 and 221102, that added together give a palindrome (221122).

The spelling of 20221102 in words is "twenty million, two hundred twenty-one thousand, one hundred two".