20777740003 has 2 divisors, whose sum is σ = 20777740004. Its totient is φ = 20777740002.

The previous prime is 20777739973. The next prime is 20777740031. The reversal of 20777740003 is 30004777702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20777740003 - 2⁵ = 20777739971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20777740063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10388870001 + 10388870002.

It is an arithmetic number, because the mean of its divisors is an integer number (10388870002).

Almost surely, 2^20777740003 is an apocalyptic number.

20777740003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20777740003 is an equidigital number, since it uses as much as digits as its factorization.

20777740003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57624, while the sum is 37.

The spelling of 20777740003 in words is "twenty billion, seven hundred seventy-seven million, seven hundred forty thousand, three".