40200202020 has 48 divisors (see below), whose sum is σ = 122793346368. Its totient is φ = 9745503360.

The previous prime is 40200202019. The next prime is 40200202051. The reversal of 40200202020 is 2020200204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

40200202020 is a modest number, since divided by 202020 gives 40200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 40200201987 and 40200202005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30454039 + ... + 30455358.

It is an arithmetic number, because the mean of its divisors is an integer number (2558194716).

Almost surely, 2^40200202020 is an apocalyptic number.

It is an amenable number.

40200202020 is an abundant number, since it is smaller than the sum of its proper divisors (82593144348).

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

40200202020 is a wasteful number, since it uses less digits than its factorization.

40200202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60909420 (or 60909418 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 40200202020 its reverse (2020200204), we get a palindrome (42220402224).

The spelling of 40200202020 in words is "forty billion, two hundred million, two hundred two thousand, twenty".