653320020 has 48 divisors (see below), whose sum is σ = 1832257728. Its totient is φ = 173936640.

The previous prime is 653320007. The next prime is 653320051. The reversal of 653320020 is 20023356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29967 + ... + 46953.

It is an arithmetic number, because the mean of its divisors is an integer number (38172036).

Almost surely, 2^653320020 is an apocalyptic number.

653320020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

653320020 is an abundant number, since it is smaller than the sum of its proper divisors (1178937708).

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

653320020 is a wasteful number, since it uses less digits than its factorization.

653320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640 (or 17638 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 653320020 is about 25560.1255865459. The cubic root of 653320020 is about 867.7114379128.

Adding to 653320020 its reverse (20023356), we get a palindrome (673343376).

The spelling of 653320020 in words is "six hundred fifty-three million, three hundred twenty thousand, twenty".