20304552620 has 36 divisors (see below), whose sum is σ = 46868282832. Its totient is φ = 7383472800.

The previous prime is 20304552617. The next prime is 20304552679. The reversal of 20304552620 is 2625540302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4192736 + ... + 4197575.

Almost surely, 2^20304552620 is an apocalyptic number.

20304552620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20304552620 is an abundant number, since it is smaller than the sum of its proper divisors (26563730212).

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

20304552620 is a wasteful number, since it uses less digits than its factorization.

20304552620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8390342 (or 8390329 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 20304552620 in words is "twenty billion, three hundred four million, five hundred fifty-two thousand, six hundred twenty".