20260362961 has 2 divisors, whose sum is σ = 20260362962. Its totient is φ = 20260362960.

The previous prime is 20260362943. The next prime is 20260362979. The reversal of 20260362961 is 16926306202.

It is a balanced prime because it is at equal distance from previous prime (20260362943) and next prime (20260362979).

It can be written as a sum of positive squares in only one way, i.e., 19837032336 + 423330625 = 140844^2 + 20575^2 .

It is a cyclic number.

It is not a de Polignac number, because 20260362961 - 2¹³ = 20260354769 is a prime.

It is a super-2 number, since 2×20260362961² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20260362961.

It is not a weakly prime, because it can be changed into another prime (20260362461) 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, 10130181480 + 10130181481.

It is an arithmetic number, because the mean of its divisors is an integer number (10130181481).

Almost surely, 2^20260362961 is an apocalyptic number.

It is an amenable number.

20260362961 is a deficient number, since it is larger than the sum of its proper divisors (1).

20260362961 is an equidigital number, since it uses as much as digits as its factorization.

20260362961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 20260362961 in words is "twenty billion, two hundred sixty million, three hundred sixty-two thousand, nine hundred sixty-one".