20888248741 has 2 divisors, whose sum is σ = 20888248742. Its totient is φ = 20888248740.

The previous prime is 20888248699. The next prime is 20888248763. The reversal of 20888248741 is 14784288802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20595120100 + 293128641 = 143510^2 + 17121^2 .

It is a cyclic number.

It is not a de Polignac number, because 20888248741 - 2⁷ = 20888248613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20888248141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10444124370 + 10444124371.

It is an arithmetic number, because the mean of its divisors is an integer number (10444124371).

Almost surely, 2^20888248741 is an apocalyptic number.

It is an amenable number.

20888248741 is a deficient number, since it is larger than the sum of its proper divisors (1).

20888248741 is an equidigital number, since it uses as much as digits as its factorization.

20888248741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1835008, while the sum is 52.

The spelling of 20888248741 in words is "twenty billion, eight hundred eighty-eight million, two hundred forty-eight thousand, seven hundred forty-one".