101100002020 has 24 divisors (see below), whose sum is σ = 212316338304. Its totient is φ = 40438794336.

The previous prime is 101100001999. The next prime is 101100002023. The reversal of 101100002020 is 20200001101.

It is a junction number, because it is equal to n+sod(n) for n = 101100001994 and 101100002012.

It is not an unprimeable number, because it can be changed into a prime (101100002023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955479 + ... + 1056001.

It is an arithmetic number, because the mean of its divisors is an integer number (8846514096).

Almost surely, 2^101100002020 is an apocalyptic number.

101100002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101100002020 is an abundant number, since it is smaller than the sum of its proper divisors (111216336284).

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

101100002020 is a wasteful number, since it uses less digits than its factorization.

101100002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150819 (or 150817 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 101100002020 its reverse (20200001101), we get a palindrome (121300003121).

The spelling of 101100002020 in words is "one hundred one billion, one hundred million, two thousand, twenty".