100320203210020 has 24 divisors (see below), whose sum is σ = 217468311475968. Its totient is φ = 38833627048800.

The previous prime is 100320203209957. The next prime is 100320203210033. The reversal of 100320203210020 is 20012302023001.

It is a super-3 number, since 3×100320203210020³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 100320203209976 and 100320203210003.

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, 80903389066 + ... + 80903390305.

It is an arithmetic number, because the mean of its divisors is an integer number (9061179644832).

Almost surely, 2^{100320203210020} is an apocalyptic number.

100320203210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100320203210020 is an abundant number, since it is smaller than the sum of its proper divisors (117148108265948).

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

100320203210020 is a wasteful number, since it uses less digits than its factorization.

100320203210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161806779411 (or 161806779409 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100320203210020 its reverse (20012302023001), we get a palindrome (120332505233021).

The spelling of 100320203210020 in words is "one hundred trillion, three hundred twenty billion, two hundred three million, two hundred ten thousand, twenty".