42020001324 has 72 divisors (see below), whose sum is σ = 121469723648. Its totient is φ = 11997940320.

The previous prime is 42020001281. The next prime is 42020001349. The reversal of 42020001324 is 42310002024.

It is a super-2 number, since 2×42020001324² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42020001297 and 42020001306.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341679 + ... + 448089.

Almost surely, 2^42020001324 is an apocalyptic number.

It is an amenable number.

42020001324 is an abundant number, since it is smaller than the sum of its proper divisors (79449722324).

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

42020001324 is a wasteful number, since it uses less digits than its factorization.

42020001324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107995 (or 107990 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 42020001324 its reverse (42310002024), we get a palindrome (84330003348).

The spelling of 42020001324 in words is "forty-two billion, twenty million, one thousand, three hundred twenty-four".