20220134403 has 16 divisors (see below), whose sum is σ = 31644381440. Its totient is φ = 11242082016.

The previous prime is 20220134399. The next prime is 20220134411. The reversal of 20220134403 is 30443102202.

It is not a de Polignac number, because 20220134403 - 2² = 20220134399 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20220134403.

It is not an unprimeable number, because it can be changed into a prime (20220134413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13010893 + ... + 13012446.

It is an arithmetic number, because the mean of its divisors is an integer number (1977773840).

Almost surely, 2^20220134403 is an apocalyptic number.

20220134403 is a deficient number, since it is larger than the sum of its proper divisors (11424247037).

20220134403 is a wasteful number, since it uses less digits than its factorization.

20220134403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26023386.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20220134403 its reverse (30443102202), we get a palindrome (50663236605).

The spelling of 20220134403 in words is "twenty billion, two hundred twenty million, one hundred thirty-four thousand, four hundred three".