20355352033835 has 32 divisors (see below), whose sum is σ = 30117263121792. Its totient is φ = 12861135083520.

The previous prime is 20355352033789. The next prime is 20355352033847. The reversal of 20355352033835 is 53833025355302.

It is not a de Polignac number, because 20355352033835 - 2²⁶ = 20355284924971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20355352033835.

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, 39905486 + ... + 40412355.

It is an arithmetic number, because the mean of its divisors is an integer number (941164472556).

Almost surely, 2^{20355352033835} is an apocalyptic number.

20355352033835 is a deficient number, since it is larger than the sum of its proper divisors (9761911087957).

20355352033835 is a wasteful number, since it uses less digits than its factorization.

20355352033835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80318423.

The product of its (nonzero) digits is 4860000, while the sum is 47.

The spelling of 20355352033835 in words is "twenty trillion, three hundred fifty-five billion, three hundred fifty-two million, thirty-three thousand, eight hundred thirty-five".