20435141533229 has 4 divisors (see below), whose sum is σ = 20450610983100. Its totient is φ = 20419672083360.

The previous prime is 20435141533211. The next prime is 20435141533231. The reversal of 20435141533229 is 92233514153402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16935241410025 + 3499900123204 = 4115245^2 + 1870802^2 .

It is a cyclic number.

It is not a de Polignac number, because 20435141533229 - 2¹⁶ = 20435141467693 is a prime.

It is a super-2 number, since 2×20435141533229² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20435141533229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20435141533249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7734722954 + ... + 7734725595.

It is an arithmetic number, because the mean of its divisors is an integer number (5112652745775).

Almost surely, 2^{20435141533229} is an apocalyptic number.

It is an amenable number.

20435141533229 is a deficient number, since it is larger than the sum of its proper divisors (15469449871).

20435141533229 is a wasteful number, since it uses less digits than its factorization.

20435141533229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15469449870.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 20435141533229 in words is "twenty trillion, four hundred thirty-five billion, one hundred forty-one million, five hundred thirty-three thousand, two hundred twenty-nine".