20122103130320 has 40 divisors (see below), whose sum is σ = 47550838802280. Its totient is φ = 7916893032960.

The previous prime is 20122103130317. The next prime is 20122103130341. The reversal of 20122103130320 is 2303130122102.

It can be written as a sum of positive squares in 4 ways, for example, as 386794437184 + 19735308693136 = 621928^2 + 4442444^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20122103130292 and 20122103130301.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2061686015 + ... + 2061695774.

It is an arithmetic number, because the mean of its divisors is an integer number (1188770970057).

Almost surely, 2^{20122103130320} is an apocalyptic number.

20122103130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122103130320 is an abundant number, since it is smaller than the sum of its proper divisors (27428735671960).

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

20122103130320 is a wasteful number, since it uses less digits than its factorization.

20122103130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123381863 (or 4123381857 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20122103130320 its reverse (2303130122102), we get a palindrome (22425233252422).

The spelling of 20122103130320 in words is "twenty trillion, one hundred twenty-two billion, one hundred three million, one hundred thirty thousand, three hundred twenty".