20761935043 has 2 divisors, whose sum is σ = 20761935044. Its totient is φ = 20761935042.

The previous prime is 20761935011. The next prime is 20761935079. The reversal of 20761935043 is 34053916702.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20761935043 - 2⁵ = 20761935011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20761934987 and 20761935005.

It is not a weakly prime, because it can be changed into another prime (20761935643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10380967521 + 10380967522.

It is an arithmetic number, because the mean of its divisors is an integer number (10380967522).

Almost surely, 2^20761935043 is an apocalyptic number.

20761935043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20761935043 is an equidigital number, since it uses as much as digits as its factorization.

20761935043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 20761935043 in words is "twenty billion, seven hundred sixty-one million, nine hundred thirty-five thousand, forty-three".