20573537202433 has 8 divisors (see below), whose sum is σ = 20719479983616. Its totient is φ = 20427992629200.

The previous prime is 20573537202397. The next prime is 20573537202469. The reversal of 20573537202433 is 33420273537502.

It is an interprime number because it is at equal distance from previous prime (20573537202397) and next prime (20573537202469).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20573537202433 is a prime.

It is a super-2 number, since 2×20573537202433² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20573537202473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99448291 + ... + 99654952.

It is an arithmetic number, because the mean of its divisors is an integer number (2589934997952).

Almost surely, 2^{20573537202433} is an apocalyptic number.

It is an amenable number.

20573537202433 is a deficient number, since it is larger than the sum of its proper divisors (145942781183).

20573537202433 is a wasteful number, since it uses less digits than its factorization.

20573537202433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199103975.

The product of its (nonzero) digits is 3175200, while the sum is 46.

The spelling of 20573537202433 in words is "twenty trillion, five hundred seventy-three billion, five hundred thirty-seven million, two hundred two thousand, four hundred thirty-three".