42024240020 has 24 divisors (see below), whose sum is σ = 100858176384. Its totient is φ = 14408310816.

The previous prime is 42024240007. The next prime is 42024240047. The reversal of 42024240020 is 2004242024.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 42024239974 and 42024240001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150086432 + ... + 150086711.

It is an arithmetic number, because the mean of its divisors is an integer number (4202424016).

Almost surely, 2^42024240020 is an apocalyptic number.

It is an amenable number.

42024240020 is an abundant number, since it is smaller than the sum of its proper divisors (58833936364).

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

42024240020 is a wasteful number, since it uses less digits than its factorization.

42024240020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300173159 (or 300173157 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 42024240020 its reverse (2004242024), we get a palindrome (44028482044).

The spelling of 42024240020 in words is "forty-two billion, twenty-four million, two hundred forty thousand, twenty".