20302101021120 has 112 divisors (see below), whose sum is σ = 64487240075808. Its totient is φ = 5411536076800.

The previous prime is 20302101021113. The next prime is 20302101021121. The reversal of 20302101021120 is 2112010120302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20302101021120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302101021121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2398281 + ... + 6808520.

Almost surely, 2^{20302101021120} is an apocalyptic number.

20302101021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302101021120 is an abundant number, since it is smaller than the sum of its proper divisors (44185139054688).

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

20302101021120 is a wasteful number, since it uses less digits than its factorization.

20302101021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9209118 (or 9209108 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20302101021120 its reverse (2112010120302), we get a palindrome (22414111141422).

The spelling of 20302101021120 in words is "twenty trillion, three hundred two billion, one hundred one million, twenty-one thousand, one hundred twenty".