20010450335531 has 2 divisors, whose sum is σ = 20010450335532. Its totient is φ = 20010450335530.

The previous prime is 20010450335417. The next prime is 20010450335539. The reversal of 20010450335531 is 13553305401002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010450335531 - 2³⁴ = 19993270466347 is a prime.

It is a super-2 number, since 2×20010450335531² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20010450335539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005225167765 + 10005225167766.

It is an arithmetic number, because the mean of its divisors is an integer number (10005225167766).

Almost surely, 2^{20010450335531} is an apocalyptic number.

20010450335531 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010450335531 is an equidigital number, since it uses as much as digits as its factorization.

20010450335531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 20010450335531 its reverse (13553305401002), we get a palindrome (33563755736533).

The spelling of 20010450335531 in words is "twenty trillion, ten billion, four hundred fifty million, three hundred thirty-five thousand, five hundred thirty-one".