20222311004 has 12 divisors (see below), whose sum is σ = 40444622064. Its totient is φ = 8666704704.

The previous prime is 20222310989. The next prime is 20222311009. The reversal of 20222311004 is 40011322202.

20222311004 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222311009) 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, 361112669 + ... + 361112724.

It is an arithmetic number, because the mean of its divisors is an integer number (3370385172).

Almost surely, 2^20222311004 is an apocalyptic number.

It is an amenable number.

20222311004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20222311004 is a wasteful number, since it uses less digits than its factorization.

20222311004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722225404 (or 722225402 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20222311004 its reverse (40011322202), we get a palindrome (60233633206).

The spelling of 20222311004 in words is "twenty billion, two hundred twenty-two million, three hundred eleven thousand, four".