40003201020 has 48 divisors (see below), whose sum is σ = 112018925088. Its totient is φ = 10666571520.

The previous prime is 40003201019. The next prime is 40003201031. The reversal of 40003201020 is 2010230004.

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

It is a junction number, because it is equal to n+sod(n) for n = 40003200987 and 40003201005.

It is a congruent number.

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, 882510 + ... + 926730.

It is an arithmetic number, because the mean of its divisors is an integer number (2333727606).

Almost surely, 2^40003201020 is an apocalyptic number.

It is an amenable number.

40003201020 is an abundant number, since it is smaller than the sum of its proper divisors (72015724068).

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

40003201020 is a wasteful number, since it uses less digits than its factorization.

40003201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59310 (or 59308 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 40003201020 its reverse (2010230004), we get a palindrome (42013431024).

The spelling of 40003201020 in words is "forty billion, three million, two hundred one thousand, twenty".