2040000202420 has 24 divisors (see below), whose sum is σ = 4284073942344. Its totient is φ = 815986077696.

The previous prime is 2040000202391. The next prime is 2040000202447. The reversal of 2040000202420 is 242020000402.

It can be written as a sum of positive squares in 4 ways, for example, as 71372328336 + 1968627874084 = 267156^2 + 1403078^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2040000202394 and 2040000202403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362032 + ... + 2052088.

It is an arithmetic number, because the mean of its divisors is an integer number (178503080931).

Almost surely, 2^{2040000202420} is an apocalyptic number.

2040000202420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040000202420 is an abundant number, since it is smaller than the sum of its proper divisors (2244073739924).

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

2040000202420 is a wasteful number, since it uses less digits than its factorization.

2040000202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750419 (or 1750417 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 2040000202420 its reverse (242020000402), we get a palindrome (2282020202822).

The spelling of 2040000202420 in words is "two trillion, forty billion, two hundred two thousand, four hundred twenty".