20302211122120 has 64 divisors (see below), whose sum is σ = 48104082748800. Its totient is φ = 7690285716480.

The previous prime is 20302211122111. The next prime is 20302211122129. The reversal of 20302211122120 is 2122111220302.

It is an interprime number because it is at equal distance from previous prime (20302211122111) and next prime (20302211122129).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (20302211122129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3689236 + ... + 7363075.

It is an arithmetic number, because the mean of its divisors is an integer number (751626292950).

Almost surely, 2^{20302211122120} is an apocalyptic number.

20302211122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302211122120 is an abundant number, since it is smaller than the sum of its proper divisors (27801871626680).

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

20302211122120 is a wasteful number, since it uses less digits than its factorization.

20302211122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054758 (or 11054754 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20302211122120 its reverse (2122111220302), we get a palindrome (22424322342422).

The spelling of 20302211122120 in words is "twenty trillion, three hundred two billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twenty".