20023331220302 has 16 divisors (see below), whose sum is σ = 31341030769152. Its totient is φ = 9576325533720.

The previous prime is 20023331220239. The next prime is 20023331220313. The reversal of 20023331220302 is 20302213332002.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8611727 + ... + 10686837.

It is an arithmetic number, because the mean of its divisors is an integer number (1958814423072).

Almost surely, 2^{20023331220302} is an apocalyptic number.

20023331220302 is a deficient number, since it is larger than the sum of its proper divisors (11317699548850).

20023331220302 is a wasteful number, since it uses less digits than its factorization.

20023331220302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284903.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20023331220302 its reverse (20302213332002), we get a palindrome (40325544552304).

The spelling of 20023331220302 in words is "twenty trillion, twenty-three billion, three hundred thirty-one million, two hundred twenty thousand, three hundred two".