20301220000 has 60 divisors (see below), whose sum is σ = 49944095586. Its totient is φ = 8120480000.

The previous prime is 20301219979. The next prime is 20301220127. The reversal of 20301220000 is 2210302.

It can be written as a sum of positive squares in 5 ways, for example, as 3793081744 + 16508138256 = 61588^2 + 128484^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 487531 + ... + 527530.

Almost surely, 2^20301220000 is an apocalyptic number.

20301220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301220000 is an abundant number, since it is smaller than the sum of its proper divisors (29642875586).

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

20301220000 is an equidigital number, since it uses as much as digits as its factorization.

20301220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015091 (or 1015068 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20301220000 its reverse (2210302), we get a palindrome (20303430302).

The spelling of 20301220000 in words is "twenty billion, three hundred one million, two hundred twenty thousand".