20020466223 has 16 divisors (see below), whose sum is σ = 29965726560. Its totient is φ = 13209378048.

The previous prime is 20020466203. The next prime is 20020466233. The reversal of 20020466223 is 32266402002.

It is a de Polignac number, because none of the positive numbers 2^k-20020466223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020466203) 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, 3819540 + ... + 3824777.

It is an arithmetic number, because the mean of its divisors is an integer number (1872857910).

Almost surely, 2^20020466223 is an apocalyptic number.

20020466223 is a deficient number, since it is larger than the sum of its proper divisors (9945260337).

20020466223 is an equidigital number, since it uses as much as digits as its factorization.

20020466223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7644423 (or 7644417 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20020466223 its reverse (32266402002), we get a palindrome (52286868225).

The spelling of 20020466223 in words is "twenty billion, twenty million, four hundred sixty-six thousand, two hundred twenty-three".