42032004020 has 12 divisors (see below), whose sum is σ = 88267208484. Its totient is φ = 16812801600.

The previous prime is 42032004017. The next prime is 42032004023. The reversal of 42032004020 is 2040023024.

It is an interprime number because it is at equal distance from previous prime (42032004017) and next prime (42032004023).

It can be written as a sum of positive squares in 2 ways, for example, as 25886235664 + 16145768356 = 160892^2 + 127066^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42032004020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42032004023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050800081 + ... + 1050800120.

It is an arithmetic number, because the mean of its divisors is an integer number (7355600707).

Almost surely, 2^42032004020 is an apocalyptic number.

It is an amenable number.

42032004020 is an abundant number, since it is smaller than the sum of its proper divisors (46235204464).

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

42032004020 is a wasteful number, since it uses less digits than its factorization.

42032004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101600210 (or 2101600208 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 42032004020 its reverse (2040023024), we get a palindrome (44072027044).

The spelling of 42032004020 in words is "forty-two billion, thirty-two million, four thousand, twenty".