20220231600 has 180 divisors, whose sum is σ = 70229049696. Its totient is φ = 5387512320.

The previous prime is 20220231593. The next prime is 20220231601. The reversal of 20220231600 is 613202202.

20220231600 is a `hidden beast` number, since 20 + 2 + 20 + 23 + 1 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20220231601) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8484009 + ... + 8486391.

Almost surely, 2^20220231600 is an apocalyptic number.

20220231600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220231600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35114524848).

20220231600 is an abundant number, since it is smaller than the sum of its proper divisors (50008818096).

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

20220231600 is a wasteful number, since it uses less digits than its factorization.

20220231600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20220231600 its reverse (613202202), we get a palindrome (20833433802).

The spelling of 20220231600 in words is "twenty billion, two hundred twenty million, two hundred thirty-one thousand, six hundred".