20220338885629 has 4 divisors (see below), whose sum is σ = 20563056493920. Its totient is φ = 19877621277340.

The previous prime is 20220338885599. The next prime is 20220338885713. The reversal of 20220338885629 is 92658883302202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20220338885629 - 2¹¹ = 20220338883581 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220338825629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171358804057 + ... + 171358804174.

It is an arithmetic number, because the mean of its divisors is an integer number (5140764123480).

Almost surely, 2^{20220338885629} is an apocalyptic number.

It is an amenable number.

20220338885629 is a deficient number, since it is larger than the sum of its proper divisors (342717608291).

20220338885629 is an equidigital number, since it uses as much as digits as its factorization.

20220338885629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342717608290.

The product of its (nonzero) digits is 19906560, while the sum is 58.

The spelling of 20220338885629 in words is "twenty trillion, two hundred twenty billion, three hundred thirty-eight million, eight hundred eighty-five thousand, six hundred twenty-nine".