20272333541 has 2 divisors, whose sum is σ = 20272333542. Its totient is φ = 20272333540.

The previous prime is 20272333489. The next prime is 20272333591. The reversal of 20272333541 is 14533327202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20166840100 + 105493441 = 142010^2 + 10271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20272333541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20272333498 and 20272333507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20272333591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10136166770 + 10136166771.

It is an arithmetic number, because the mean of its divisors is an integer number (10136166771).

Almost surely, 2^20272333541 is an apocalyptic number.

It is an amenable number.

20272333541 is a deficient number, since it is larger than the sum of its proper divisors (1).

20272333541 is an equidigital number, since it uses as much as digits as its factorization.

20272333541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 20272333541 in words is "twenty billion, two hundred seventy-two million, three hundred thirty-three thousand, five hundred forty-one".