32001442420 has 48 divisors (see below), whose sum is σ = 67948771968. Its totient is φ = 12659204480.

The previous prime is 32001442409. The next prime is 32001442439. The reversal of 32001442420 is 2424410023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32001442391 and 32001442400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746817 + ... + 788503.

It is an arithmetic number, because the mean of its divisors is an integer number (1415599416).

Almost surely, 2^32001442420 is an apocalyptic number.

It is an amenable number.

32001442420 is an abundant number, since it is smaller than the sum of its proper divisors (35947329548).

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

32001442420 is a wasteful number, since it uses less digits than its factorization.

32001442420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42120 (or 42118 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 32001442420 its reverse (2424410023), we get a palindrome (34425852443).

The spelling of 32001442420 in words is "thirty-two billion, one million, four hundred forty-two thousand, four hundred twenty".