200101101020 has 48 divisors (see below), whose sum is σ = 424665345888. Its totient is φ = 79193337600.

The previous prime is 200101101001. The next prime is 200101101041. The reversal of 200101101020 is 20101101002.

It is a junction number, because it is equal to n+sod(n) for n = 200101100989 and 200101101007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962262 + ... + 3029058.

It is an arithmetic number, because the mean of its divisors is an integer number (8847194706).

Almost surely, 2^200101101020 is an apocalyptic number.

200101101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200101101020 is an abundant number, since it is smaller than the sum of its proper divisors (224564244868).

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

200101101020 is a wasteful number, since it uses less digits than its factorization.

200101101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68390 (or 68388 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 200101101020 its reverse (20101101002), we get a palindrome (220202202022).

The spelling of 200101101020 in words is "two hundred billion, one hundred one million, one hundred one thousand, twenty".