978032020 has 48 divisors (see below), whose sum is σ = 2423006208. Its totient is φ = 324506880.

The previous prime is 978032017. The next prime is 978032023. The reversal of 978032020 is 20230879.

978032020 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 (978032017) and next prime (978032023).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978032023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108337 + ... + 117016.

It is an arithmetic number, because the mean of its divisors is an integer number (50479296).

Almost surely, 2^978032020 is an apocalyptic number.

It is an amenable number.

978032020 is an abundant number, since it is smaller than the sum of its proper divisors (1444974188).

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

978032020 is a wasteful number, since it uses less digits than its factorization.

978032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225400 (or 225398 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 978032020 is about 31273.5034813818. The cubic root of 978032020 is about 992.6230544911.

Adding to 978032020 its reverse (20230879), we get a palindrome (998262899).

The spelling of 978032020 in words is "nine hundred seventy-eight million, thirty-two thousand, twenty".