1020020200110 has 64 divisors (see below), whose sum is σ = 2863214611200. Its totient is φ = 257689312416.

The previous prime is 1020020200057. The next prime is 1020020200141. The reversal of 1020020200110 is 110020200201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1020020200092 and 1020020200101.

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, 99412044 + ... + 99422303.

It is an arithmetic number, because the mean of its divisors is an integer number (44737728300).

Almost surely, 2^{1020020200110} is an apocalyptic number.

1020020200110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020020200110 is an abundant number, since it is smaller than the sum of its proper divisors (1843194411090).

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

1020020200110 is a wasteful number, since it uses less digits than its factorization.

1020020200110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198834382 (or 198834376 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1020020200110 its reverse (110020200201), we get a palindrome (1130040400311).

Subtracting from 1020020200110 its reverse (110020200201), we obtain a palindrome (909999999909).

The spelling of 1020020200110 in words is "one trillion, twenty billion, twenty million, two hundred thousand, one hundred ten".