20122300000 has 216 divisors, whose sum is σ = 54460014336. Its totient is φ = 7312800000.

The previous prime is 20122299991. The next prime is 20122300049. The reversal of 20122300000 is 322102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 20122300000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12099169 + ... + 12100831.

It is an arithmetic number, because the mean of its divisors is an integer number (252129696).

Almost surely, 2^20122300000 is an apocalyptic number.

20122300000 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 20122300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27230007168).

20122300000 is an abundant number, since it is smaller than the sum of its proper divisors (34337714336).

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

20122300000 is an equidigital number, since it uses as much as digits as its factorization.

20122300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20122300000 its reverse (322102), we get a palindrome (20122622102).

The spelling of 20122300000 in words is "twenty billion, one hundred twenty-two million, three hundred thousand".