32020020019 has 4 divisors (see below), whose sum is σ = 34483098496. Its totient is φ = 29556941544.

The previous prime is 32020019989. The next prime is 32020020031. The reversal of 32020020019 is 91002002023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-32020020019 is a prime.

It is a super-2 number, since 2×32020020019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32020019978 and 32020020005.

It is not an unprimeable number, because it can be changed into a prime (32020020419) 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, 1231539219 + ... + 1231539244.

It is an arithmetic number, because the mean of its divisors is an integer number (8620774624).

Almost surely, 2^32020020019 is an apocalyptic number.

32020020019 is a deficient number, since it is larger than the sum of its proper divisors (2463078477).

32020020019 is a wasteful number, since it uses less digits than its factorization.

32020020019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463078476.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 32020020019 in words is "thirty-two billion, twenty million, twenty thousand, nineteen".