20023022700 has 216 divisors, whose sum is σ = 66188333120. Its totient is φ = 5048956800.

The previous prime is 20023022699. The next prime is 20023022731. The reversal of 20023022700 is 722032002.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15509055 + ... + 15510345.

Almost surely, 2^20023022700 is an apocalyptic number.

20023022700 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 20023022700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33094166560).

20023022700 is an abundant number, since it is smaller than the sum of its proper divisors (46165310420).

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

20023022700 is a wasteful number, since it uses less digits than its factorization.

20023022700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

Adding to 20023022700 its reverse (722032002), we get a palindrome (20745054702).

It can be divided in two parts, 2002302 and 2700, that added together give a palindrome (2005002).

The spelling of 20023022700 in words is "twenty billion, twenty-three million, twenty-two thousand, seven hundred".