20726035463 has 16 divisors (see below), whose sum is σ = 23864749056. Its totient is φ = 17631993600.

The previous prime is 20726035457. The next prime is 20726035559. The reversal of 20726035463 is 36453062702.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20726035463 - 2⁶ = 20726035399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20726035063) 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 in 15 ways as a sum of consecutive naturals, for example, 1284695 + ... + 1300727.

It is an arithmetic number, because the mean of its divisors is an integer number (1491546816).

Almost surely, 2^20726035463 is an apocalyptic number.

20726035463 is a deficient number, since it is larger than the sum of its proper divisors (3138713593).

20726035463 is a wasteful number, since it uses less digits than its factorization.

20726035463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17414.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 20726035463 in words is "twenty billion, seven hundred twenty-six million, thirty-five thousand, four hundred sixty-three".