1000020032 has 28 divisors (see below), whose sum is σ = 2164817616. Its totient is φ = 454554240.

The previous prime is 1000020029. The next prime is 1000020107. The reversal of 1000020032 is 2300200001.

It is a super-3 number, since 3×1000020032³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709538 + ... + 710945.

Almost surely, 2^1000020032 is an apocalyptic number.

It is an amenable number.

1000020032 is an abundant number, since it is smaller than the sum of its proper divisors (1164797584).

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

1000020032 is a wasteful number, since it uses less digits than its factorization.

1000020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420506 (or 1420496 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1000020032 is about 31623.0933338280. The cubic root of 1000020032 is about 1000.0066772887.

Adding to 1000020032 its reverse (2300200001), we get a palindrome (3300220033).

The spelling of 1000020032 in words is "one billion, twenty thousand, thirty-two".