20531141051 has 2 divisors, whose sum is σ = 20531141052. Its totient is φ = 20531141050.

The previous prime is 20531141041. The next prime is 20531141069. The reversal of 20531141051 is 15014113502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20531141051 - 2¹⁰ = 20531140027 is a prime.

It is a super-3 number, since 3×20531141051³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20531141041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10265570525 + 10265570526.

It is an arithmetic number, because the mean of its divisors is an integer number (10265570526).

Almost surely, 2^20531141051 is an apocalyptic number.

20531141051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20531141051 is an equidigital number, since it uses as much as digits as its factorization.

20531141051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 20531141051 its reverse (15014113502), we get a palindrome (35545254553).

The spelling of 20531141051 in words is "twenty billion, five hundred thirty-one million, one hundred forty-one thousand, fifty-one".