20475097047467 has 16 divisors (see below), whose sum is σ = 21529842314400. Its totient is φ = 19443643376640.

The previous prime is 20475097047451. The next prime is 20475097047479. The reversal of 20475097047467 is 76474079057402.

It is a cyclic number.

It is not a de Polignac number, because 20475097047467 - 2⁴ = 20475097047451 is a prime.

It is a super-2 number, since 2×20475097047467² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20475097047437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25910459 + ... + 26688987.

It is an arithmetic number, because the mean of its divisors is an integer number (1345615144650).

Almost surely, 2^{20475097047467} is an apocalyptic number.

20475097047467 is a deficient number, since it is larger than the sum of its proper divisors (1054745266933).

20475097047467 is a wasteful number, since it uses less digits than its factorization.

20475097047467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793486.

The product of its (nonzero) digits is 82978560, while the sum is 62.

The spelling of 20475097047467 in words is "twenty trillion, four hundred seventy-five billion, ninety-seven million, forty-seven thousand, four hundred sixty-seven".