20251122 has 16 divisors (see below), whose sum is σ = 41809152. Its totient is φ = 6532560.

The previous prime is 20251103. The next prime is 20251123. The reversal of 20251122 is 22115202.

20251122 is nontrivially palindromic in base 12.

It is not an unprimeable number, because it can be changed into a prime (20251123) 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, 54253 + ... + 54624.

It is an arithmetic number, because the mean of its divisors is an integer number (2613072).

Almost surely, 2^20251122 is an apocalyptic number.

20251122 is an abundant number, since it is smaller than the sum of its proper divisors (21558030).

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

20251122 is a wasteful number, since it uses less digits than its factorization.

20251122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108913.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 20251122 is about 4500.1246649399. The cubic root of 20251122 is about 272.5731229289.

Adding to 20251122 its reverse (22115202), we get a palindrome (42366324).

The spelling of 20251122 in words is "twenty million, two hundred fifty-one thousand, one hundred twenty-two".