2002311002420 has 48 divisors (see below), whose sum is σ = 4352546817360. Its totient is φ = 772826535936.

The previous prime is 2002311002413. The next prime is 2002311002429. The reversal of 2002311002420 is 242001132002.

It can be written as a sum of positive squares in 8 ways, for example, as 182477626276 + 1819833376144 = 427174^2 + 1349012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002311002429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134597 + ... + 2005676.

It is an arithmetic number, because the mean of its divisors is an integer number (90678058695).

Almost surely, 2^{2002311002420} is an apocalyptic number.

2002311002420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002311002420 is an abundant number, since it is smaller than the sum of its proper divisors (2350235814940).

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

2002311002420 is a wasteful number, since it uses less digits than its factorization.

2002311002420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141924 (or 2141922 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2002311002420 its reverse (242001132002), we get a palindrome (2244312134422).

The spelling of 2002311002420 in words is "two trillion, two billion, three hundred eleven million, two thousand, four hundred twenty".