20221023004 has 48 divisors (see below), whose sum is σ = 44479669248. Its totient is φ = 7829316288.

The previous prime is 20221023001. The next prime is 20221023013. The reversal of 20221023004 is 40032012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221023001) 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, 573874 + ... + 608089.

It is an arithmetic number, because the mean of its divisors is an integer number (926659776).

Almost surely, 2^20221023004 is an apocalyptic number.

It is an amenable number.

20221023004 is an abundant number, since it is smaller than the sum of its proper divisors (24258646244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20221023004 is a wasteful number, since it uses less digits than its factorization.

20221023004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182034 (or 1182032 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20221023004 its reverse (40032012202), we get a palindrome (60253035206).

The spelling of 20221023004 in words is "twenty billion, two hundred twenty-one million, twenty-three thousand, four".