20023150122513 has 24 divisors (see below), whose sum is σ = 28991403441000. Its totient is φ = 13316895320064.

The previous prime is 20023150122509. The next prime is 20023150122517. The reversal of 20023150122513 is 31522105132002.

20023150122513 is a `hidden beast` number, since 2 + 0 + 0 + 23 + 1 + 5 + 0 + 122 + 513 = 666.

It is an interprime number because it is at equal distance from previous prime (20023150122509) and next prime (20023150122517).

It can be written as a sum of positive squares in 4 ways, for example, as 403317715329 + 19619832407184 = 635073^2 + 4429428^2 .

It is not a de Polignac number, because 20023150122513 - 2² = 20023150122509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023150122517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24937831 + ... + 25728227.

It is an arithmetic number, because the mean of its divisors is an integer number (1207975143375).

Almost surely, 2^{20023150122513} is an apocalyptic number.

It is an amenable number.

20023150122513 is a deficient number, since it is larger than the sum of its proper divisors (8968253318487).

20023150122513 is a wasteful number, since it uses less digits than its factorization.

20023150122513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797121 (or 797118 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 20023150122513 its reverse (31522105132002), we get a palindrome (51545255254515).

The spelling of 20023150122513 in words is "twenty trillion, twenty-three billion, one hundred fifty million, one hundred twenty-two thousand, five hundred thirteen".