1020401332 has 24 divisors (see below), whose sum is σ = 1845439232. Its totient is φ = 493684920.

The previous prime is 1020401323. The next prime is 1020401341. The reversal of 1020401332 is 2331040201.

It is a happy number.

1020401332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020401323) and next prime (1020401341).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114883 + ... + 123445.

Almost surely, 2^1020401332 is an apocalyptic number.

It is an amenable number.

1020401332 is a deficient number, since it is larger than the sum of its proper divisors (825037900).

1020401332 is an frugal number, since it uses more digits than its factorization.

1020401332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660 (or 8596 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1020401332 is about 31943.7213236029. The cubic root of 1020401332 is about 1006.7547150934.

Adding to 1020401332 its reverse (2331040201), we get a palindrome (3351441533).

The spelling of 1020401332 in words is "one billion, twenty million, four hundred one thousand, three hundred thirty-two".