20477714141 has 2 divisors, whose sum is σ = 20477714142. Its totient is φ = 20477714140.

The previous prime is 20477714137. The next prime is 20477714171. The reversal of 20477714141 is 14141777402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15513948025 + 4963766116 = 124555^2 + 70454^2 .

It is a cyclic number.

It is not a de Polignac number, because 20477714141 - 2² = 20477714137 is a prime.

It is a super-2 number, since 2×20477714141² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20477714095 and 20477714104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20477714171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10238857070 + 10238857071.

It is an arithmetic number, because the mean of its divisors is an integer number (10238857071).

Almost surely, 2^20477714141 is an apocalyptic number.

It is an amenable number.

20477714141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20477714141 is an equidigital number, since it uses as much as digits as its factorization.

20477714141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43904, while the sum is 38.

The spelling of 20477714141 in words is "twenty billion, four hundred seventy-seven million, seven hundred fourteen thousand, one hundred forty-one".