10020200100020 has 96 divisors (see below), whose sum is σ = 23748300576000. Its totient is φ = 3517861222400.

The previous prime is 10020200100019. The next prime is 10020200100089. The reversal of 10020200100020 is 2000100202001.

It is a junction number, because it is equal to n+sod(n) for n = 10020200099980 and 10020200100007.

It is a congruent number.

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, 149252060 + ... + 149319180.

It is an arithmetic number, because the mean of its divisors is an integer number (247378131000).

Almost surely, 2^{10020200100020} is an apocalyptic number.

10020200100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020200100020 is an abundant number, since it is smaller than the sum of its proper divisors (13728100475980).

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

10020200100020 is a wasteful number, since it uses less digits than its factorization.

10020200100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90569 (or 90567 counting only the distinct ones).

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

Adding to 10020200100020 its reverse (2000100202001), we get a palindrome (12020300302021).

The spelling of 10020200100020 in words is "ten trillion, twenty billion, two hundred million, one hundred thousand, twenty".