42020242403 has 16 divisors (see below), whose sum is σ = 44098560000. Its totient is φ = 39963163680.

The previous prime is 42020242393. The next prime is 42020242409. The reversal of 42020242403 is 30424202024.

It is a cyclic number.

It is not a de Polignac number, because 42020242403 - 2¹² = 42020238307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42020242409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9659873 + ... + 9664221.

It is an arithmetic number, because the mean of its divisors is an integer number (2756160000).

Almost surely, 2^42020242403 is an apocalyptic number.

42020242403 is a deficient number, since it is larger than the sum of its proper divisors (2078317597).

42020242403 is a wasteful number, since it uses less digits than its factorization.

42020242403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 42020242403 its reverse (30424202024), we get a palindrome (72444444427).

The spelling of 42020242403 in words is "forty-two billion, twenty million, two hundred forty-two thousand, four hundred three".