20221130 has 16 divisors (see below), whose sum is σ = 38314080. Its totient is φ = 7662672.

The previous prime is 20221127. The next prime is 20221133. The reversal of 20221130 is 3112202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20221127) and next prime (20221133).

It is not an unprimeable number, because it can be changed into a prime (20221133) 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 7 ways as a sum of consecutive naturals, for example, 53024 + ... + 53403.

It is an arithmetic number, because the mean of its divisors is an integer number (2394630).

Almost surely, 2^20221130 is an apocalyptic number.

20221130 is a deficient number, since it is larger than the sum of its proper divisors (18092950).

20221130 is a wasteful number, since it uses less digits than its factorization.

20221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106453.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20221130 is about 4496.7910780911. The cubic root of 20221130 is about 272.4384957846.

Adding to 20221130 its reverse (3112202), we get a palindrome (23333332).

The spelling of 20221130 in words is "twenty million, two hundred twenty-one thousand, one hundred thirty".