963421020 has 96 divisors (see below), whose sum is σ = 3067088640. Its totient is φ = 250931520.

The previous prime is 963421001. The next prime is 963421057. The reversal of 963421020 is 20124369.

963421020 is a `hidden beast` number, since 9 + 634 + 2 + 1 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2475 + ... + 43965.

It is an arithmetic number, because the mean of its divisors is an integer number (31948840).

Almost surely, 2^963421020 is an apocalyptic number.

963421020 is a gapful number since it is divisible by the number (90) 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 963421020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533544320).

963421020 is an abundant number, since it is smaller than the sum of its proper divisors (2103667620).

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

963421020 is a wasteful number, since it uses less digits than its factorization.

963421020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41552 (or 41544 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 963421020 is about 31039.0241470314. The cubic root of 963421020 is about 987.6552406690.

Adding to 963421020 its reverse (20124369), we get a palindrome (983545389).

The spelling of 963421020 in words is "nine hundred sixty-three million, four hundred twenty-one thousand, twenty".