20269200000 has 768 divisors, whose sum is σ = 81594777600. Its totient is φ = 4354560000.

The previous prime is 20269199983. The next prime is 20269200043. The reversal of 20269200000 is 296202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20269200000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 159599937 + ... + 159600063.

It is an arithmetic number, because the mean of its divisors is an integer number (106243200).

Almost surely, 2^20269200000 is an apocalyptic number.

20269200000 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 20269200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40797388800).

20269200000 is an abundant number, since it is smaller than the sum of its proper divisors (61325577600).

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

20269200000 is an equidigital number, since it uses as much as digits as its factorization.

20269200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20269200000 its reverse (296202), we get a palindrome (20269496202).

The spelling of 20269200000 in words is "twenty billion, two hundred sixty-nine million, two hundred thousand".