2002201011020 has 144 divisors (see below), whose sum is σ = 5373237192960. Its totient is φ = 612083506176.

The previous prime is 2002201011007. The next prime is 2002201011101. The reversal of 2002201011020 is 201101022002.

It is a happy number.

It is a super-2 number, since 2×2002201011020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2002201010992 and 2002201011010.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 533522 + ... + 2071001.

Almost surely, 2^{2002201011020} is an apocalyptic number.

2002201011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002201011020 is an abundant number, since it is smaller than the sum of its proper divisors (3371036181940).

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

2002201011020 is a wasteful number, since it uses less digits than its factorization.

2002201011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604592 (or 2604573 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2002201011020 its reverse (201101022002), we get a palindrome (2203302033022).

The spelling of 2002201011020 in words is "two trillion, two billion, two hundred one million, eleven thousand, twenty".