42020411132432 has 20 divisors (see below), whose sum is σ = 81414654672876. Its totient is φ = 21010177668480.

The previous prime is 42020411132419. The next prime is 42020411132437. The reversal of 42020411132432 is 23423111402024.

It can be written as a sum of positive squares in 2 ways, for example, as 30003400631296 + 12017010501136 = 5477536^2 + 3466556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42020411132395 and 42020411132404.

It is not an unprimeable number, because it can be changed into a prime (42020411132437) 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, 16410698 + ... + 18797654.

Almost surely, 2^{42020411132432} is an apocalyptic number.

It is an amenable number.

42020411132432 is a deficient number, since it is larger than the sum of its proper divisors (39394243540444).

42020411132432 is a wasteful number, since it uses less digits than its factorization.

42020411132432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487226 (or 3487220 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 42020411132432 its reverse (23423111402024), we get a palindrome (65443522534456).

The spelling of 42020411132432 in words is "forty-two trillion, twenty billion, four hundred eleven million, one hundred thirty-two thousand, four hundred thirty-two".