1032020004 has 12 divisors (see below), whose sum is σ = 2408046704. Its totient is φ = 344006664.

The previous prime is 1032019999. The next prime is 1032020009. The reversal of 1032020004 is 4000202301.

It is an interprime number because it is at equal distance from previous prime (1032019999) and next prime (1032020009).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 86001667 = 1032020004 / (1 + 0 + 3 + 2 + 0 + 2 + 0 + 0 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (1032020009) 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, 43000822 + ... + 43000845.

Almost surely, 2^1032020004 is an apocalyptic number.

It is an amenable number.

1032020004 is an abundant number, since it is smaller than the sum of its proper divisors (1376026700).

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

1032020004 is a wasteful number, since it uses less digits than its factorization.

1032020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86001674 (or 86001672 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1032020004 is about 32125.0681555697. The cubic root of 1032020004 is about 1010.5613988374.

Adding to 1032020004 its reverse (4000202301), we get a palindrome (5032222305).

The spelling of 1032020004 in words is "one billion, thirty-two million, twenty thousand, four".