20137240155333 has 32 divisors (see below), whose sum is σ = 32505542002944. Its totient is φ = 10825044037632.

The previous prime is 20137240155311. The next prime is 20137240155337. The reversal of 20137240155333 is 33355104273102.

It is not a de Polignac number, because 20137240155333 - 2¹⁰ = 20137240154309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20137240155291 and 20137240155300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20137240155337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12434760 + ... + 13960577.

It is an arithmetic number, because the mean of its divisors is an integer number (1015798187592).

Almost surely, 2^{20137240155333} is an apocalyptic number.

It is an amenable number.

20137240155333 is a deficient number, since it is larger than the sum of its proper divisors (12368301847611).

20137240155333 is a wasteful number, since it uses less digits than its factorization.

20137240155333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26397501.

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 20137240155333 in words is "twenty trillion, one hundred thirty-seven billion, two hundred forty million, one hundred fifty-five thousand, three hundred thirty-three".