20010020100320 has 48 divisors (see below), whose sum is σ = 47485662134400. Its totient is φ = 7968115613184.

The previous prime is 20010020100319. The next prime is 20010020100347. The reversal of 20010020100320 is 2300102001002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280373795 + ... + 280445154.

It is an arithmetic number, because the mean of its divisors is an integer number (989284627800).

Almost surely, 2^{20010020100320} is an apocalyptic number.

20010020100320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010020100320 is an abundant number, since it is smaller than the sum of its proper divisors (27475642034080).

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

20010020100320 is a wasteful number, since it uses less digits than its factorization.

20010020100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560819187 (or 560819179 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20010020100320 its reverse (2300102001002), we get a palindrome (22310122101322).

The spelling of 20010020100320 in words is "twenty trillion, ten billion, twenty million, one hundred thousand, three hundred twenty".