20030101103100 has 72 divisors (see below), whose sum is σ = 63222282764928. Its totient is φ = 4855782084800.

The previous prime is 20030101103059. The next prime is 20030101103191. The reversal of 20030101103100 is 130110103002.

It is a super-2 number, since 2×20030101103100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3034860504 + ... + 3034867103.

It is an arithmetic number, because the mean of its divisors is an integer number (878087260624).

Almost surely, 2^{20030101103100} is an apocalyptic number.

20030101103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20030101103100 is an abundant number, since it is smaller than the sum of its proper divisors (43192181661828).

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

20030101103100 is a wasteful number, since it uses less digits than its factorization.

20030101103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069727635 (or 6069727628 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20030101103100 its reverse (130110103002), we get a palindrome (20160211206102).

The spelling of 20030101103100 in words is "twenty trillion, thirty billion, one hundred one million, one hundred three thousand, one hundred".