20101103130020 has 96 divisors (see below), whose sum is σ = 46810881161856. Its totient is φ = 7188717081600.

The previous prime is 20101103130013. The next prime is 20101103130037. The reversal of 20101103130020 is 2003130110102.

It is a junction number, because it is equal to n+sod(n) for n = 20101103129977 and 20101103130004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106017224 + ... + 106206656.

It is an arithmetic number, because the mean of its divisors is an integer number (487613345436).

Almost surely, 2^{20101103130020} is an apocalyptic number.

20101103130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20101103130020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23405440580928).

20101103130020 is an abundant number, since it is smaller than the sum of its proper divisors (26709778031836).

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

20101103130020 is a wasteful number, since it uses less digits than its factorization.

20101103130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197421 (or 197419 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20101103130020 its reverse (2003130110102), we get a palindrome (22104233240122).

The spelling of 20101103130020 in words is "twenty trillion, one hundred one billion, one hundred three million, one hundred thirty thousand, twenty".