20040999067 has 2 divisors, whose sum is σ = 20040999068. Its totient is φ = 20040999066.

The previous prime is 20040999053. The next prime is 20040999079. The reversal of 20040999067 is 76099904002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20040999067 - 2¹¹ = 20040997019 is a prime.

It is not a weakly prime, because it can be changed into another prime (20040999047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10020499533 + 10020499534.

It is an arithmetic number, because the mean of its divisors is an integer number (10020499534).

Almost surely, 2^20040999067 is an apocalyptic number.

20040999067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20040999067 is an equidigital number, since it uses as much as digits as its factorization.

20040999067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 20040999067 in words is "twenty billion, forty million, nine hundred ninety-nine thousand, sixty-seven".