1030020432 has 80 divisors (see below), whose sum is σ = 3048376320. Its totient is φ = 293579136.

The previous prime is 1030020427. The next prime is 1030020469. The reversal of 1030020432 is 2340200301.

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, 144013 + ... + 150995.

It is an arithmetic number, because the mean of its divisors is an integer number (38104704).

Almost surely, 2^1030020432 is an apocalyptic number.

1030020432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030020432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524188160).

1030020432 is an abundant number, since it is smaller than the sum of its proper divisors (2018355888).

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

1030020432 is a wasteful number, since it uses less digits than its factorization.

1030020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440 (or 7434 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1030020432 is about 32093.9313889713. The cubic root of 1030020432 is about 1009.9083117761.

Adding to 1030020432 its reverse (2340200301), we get a palindrome (3370220733).

The spelling of 1030020432 in words is "one billion, thirty million, twenty thousand, four hundred thirty-two".