1020020200100 has 72 divisors (see below), whose sum is σ = 2414955287136. Its totient is φ = 370872000000.

The previous prime is 1020020200057. The next prime is 1020020200141. The reversal of 1020020200100 is 10020200201.

It is a super-2 number, since 2×1020020200100² (a number of 25 digits) contains 22 as substring.

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, 9949100 + ... + 10051100.

Almost surely, 2^{1020020200100} is an apocalyptic number.

1020020200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020020200100 is an abundant number, since it is smaller than the sum of its proper divisors (1394935087036).

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

1020020200100 is a wasteful number, since it uses less digits than its factorization.

1020020200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111117 (or 111110 counting only the distinct ones).

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

Adding to 1020020200100 its reverse (10020200201), we get a palindrome (1030040400301).

The spelling of 1020020200100 in words is "one trillion, twenty billion, twenty million, two hundred thousand, one hundred".