22020330431 has 32 divisors (see below), whose sum is σ = 25094085120. Its totient is φ = 19139747200.

The previous prime is 22020330407. The next prime is 22020330461. The reversal of 22020330431 is 13403302022.

It is a cyclic number.

It is not a de Polignac number, because 22020330431 - 2³⁴ = 4840461247 is a prime.

It is a super-2 number, since 2×22020330431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020330461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17162516 + ... + 17163798.

It is an arithmetic number, because the mean of its divisors is an integer number (784190160).

Almost surely, 2^22020330431 is an apocalyptic number.

22020330431 is a deficient number, since it is larger than the sum of its proper divisors (3073754689).

22020330431 is a wasteful number, since it uses less digits than its factorization.

22020330431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22020330431 its reverse (13403302022), we get a palindrome (35423632453).

The spelling of 22020330431 in words is "twenty-two billion, twenty million, three hundred thirty thousand, four hundred thirty-one".