20444003300 has 36 divisors (see below), whose sum is σ = 50701129920. Its totient is φ = 7009372320.

The previous prime is 20444003297. The next prime is 20444003381. The reversal of 20444003300 is 330044402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14602160 + ... + 14603559.

It is an arithmetic number, because the mean of its divisors is an integer number (1408364720).

Almost surely, 2^20444003300 is an apocalyptic number.

20444003300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20444003300 is an abundant number, since it is smaller than the sum of its proper divisors (30257126620).

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

20444003300 is a wasteful number, since it uses less digits than its factorization.

20444003300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29205740 (or 29205733 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20444003300 its reverse (330044402), we get a palindrome (20774047702).

The spelling of 20444003300 in words is "twenty billion, four hundred forty-four million, three thousand, three hundred".