2002031111020 has 24 divisors (see below), whose sum is σ = 4204728179568. Its totient is φ = 800724283200.

The previous prime is 2002031110969. The next prime is 2002031111027. The reversal of 2002031111020 is 201111302002.

It is not an unprimeable number, because it can be changed into a prime (2002031111027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5323711 + ... + 5687350.

It is an arithmetic number, because the mean of its divisors is an integer number (175197007482).

Almost surely, 2^{2002031111020} is an apocalyptic number.

2002031111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002031111020 is an abundant number, since it is smaller than the sum of its proper divisors (2202697068548).

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

2002031111020 is a wasteful number, since it uses less digits than its factorization.

2002031111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020161 (or 11020159 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2002031111020 its reverse (201111302002), we get a palindrome (2203142413022).

The spelling of 2002031111020 in words is "two trillion, two billion, thirty-one million, one hundred eleven thousand, twenty".