100203230330020 has 48 divisors (see below), whose sum is σ = 212591079817200. Its totient is φ = 39671031988224.

The previous prime is 100203230329879. The next prime is 100203230330057. The reversal of 100203230330020 is 20033032302001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 183069313956 + 100020161016064 = 427866^2 + 10001008^2 .

It is a super-2 number, since 2×100203230330020² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100203230330020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61278345 + ... + 62892304.

It is an arithmetic number, because the mean of its divisors is an integer number (4428980829525).

Almost surely, 2^{100203230330020} is an apocalyptic number.

100203230330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100203230330020 is an abundant number, since it is smaller than the sum of its proper divisors (112387849487180).

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

100203230330020 is a wasteful number, since it uses less digits than its factorization.

100203230330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124171072 (or 124171070 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 100203230330020 its reverse (20033032302001), we get a palindrome (120236262632021).

The spelling of 100203230330020 in words is "one hundred trillion, two hundred three billion, two hundred thirty million, three hundred thirty thousand, twenty".