1020210110020 has 96 divisors (see below), whose sum is σ = 2204835494400. Its totient is φ = 396385519104.

The previous prime is 1020210109991. The next prime is 1020210110039. The reversal of 1020210110020 is 200110120201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1020210109979 and 1020210110006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47192734 + ... + 47214346.

It is an arithmetic number, because the mean of its divisors is an integer number (22967036400).

Almost surely, 2^{1020210110020} is an apocalyptic number.

1020210110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020210110020 is an abundant number, since it is smaller than the sum of its proper divisors (1184625384380).

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

1020210110020 is a wasteful number, since it uses less digits than its factorization.

1020210110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22157 (or 22155 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020210110020 its reverse (200110120201), we get a palindrome (1220320230221).

The spelling of 1020210110020 in words is "one trillion, twenty billion, two hundred ten million, one hundred ten thousand, twenty".