20525054101 has 2 divisors, whose sum is σ = 20525054102. Its totient is φ = 20525054100.

The previous prime is 20525054083. The next prime is 20525054129. The reversal of 20525054101 is 10145052502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19037100625 + 1487953476 = 137975^2 + 38574^2 .

It is a cyclic number.

It is not a de Polignac number, because 20525054101 - 2¹³ = 20525045909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20525054201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10262527050 + 10262527051.

It is an arithmetic number, because the mean of its divisors is an integer number (10262527051).

Almost surely, 2^20525054101 is an apocalyptic number.

It is an amenable number.

20525054101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20525054101 is an equidigital number, since it uses as much as digits as its factorization.

20525054101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 20525054101 in words is "twenty billion, five hundred twenty-five million, fifty-four thousand, one hundred one".