20320435341045 has 32 divisors (see below), whose sum is σ = 41285963869440. Its totient is φ = 9289341869760.

The previous prime is 20320435340987. The next prime is 20320435341071. The reversal of 20320435341045 is 54014353402302.

20320435341045 is a `hidden beast` number, since 2 + 0 + 3 + 204 + 35 + 3 + 410 + 4 + 5 = 666.

It is not a de Polignac number, because 20320435341045 - 2⁶ = 20320435340981 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10751552146 + ... + 10751554035.

It is an arithmetic number, because the mean of its divisors is an integer number (1290186370920).

Almost surely, 2^{20320435341045} is an apocalyptic number.

It is an amenable number.

20320435341045 is an abundant number, since it is smaller than the sum of its proper divisors (20965528528395).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20320435341045 is a wasteful number, since it uses less digits than its factorization.

20320435341045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21503106202 (or 21503106196 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 20320435341045 its reverse (54014353402302), we get a palindrome (74334788743347).

The spelling of 20320435341045 in words is "twenty trillion, three hundred twenty billion, four hundred thirty-five million, three hundred forty-one thousand, forty-five".