20522455043 has 2 divisors, whose sum is σ = 20522455044. Its totient is φ = 20522455042.

The previous prime is 20522455021. The next prime is 20522455061. The reversal of 20522455043 is 34055422502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20522455043 - 2²⁰ = 20521406467 is a prime.

It is a super-2 number, since 2×20522455043² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20522455543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261227521 + 10261227522.

It is an arithmetic number, because the mean of its divisors is an integer number (10261227522).

Almost surely, 2^20522455043 is an apocalyptic number.

20522455043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522455043 is an equidigital number, since it uses as much as digits as its factorization.

20522455043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 20522455043 its reverse (34055422502), we get a palindrome (54577877545).

The spelling of 20522455043 in words is "twenty billion, five hundred twenty-two million, four hundred fifty-five thousand, forty-three".