20346321145135 has 32 divisors (see below), whose sum is σ = 25300429056000. Its totient is φ = 15697688912256.

The previous prime is 20346321145123. The next prime is 20346321145153. The reversal of 20346321145135 is 53154112364302.

It is a cyclic number.

It is not a de Polignac number, because 20346321145135 - 2⁹ = 20346321144623 is a prime.

It is a super-3 number, since 3×20346321145135³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169720546 + ... + 169840384.

It is an arithmetic number, because the mean of its divisors is an integer number (790638408000).

Almost surely, 2^{20346321145135} is an apocalyptic number.

20346321145135 is a deficient number, since it is larger than the sum of its proper divisors (4954107910865).

20346321145135 is a wasteful number, since it uses less digits than its factorization.

20346321145135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130815.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 20346321145135 in words is "twenty trillion, three hundred forty-six billion, three hundred twenty-one million, one hundred forty-five thousand, one hundred thirty-five".