20463573369 has 16 divisors (see below), whose sum is σ = 28352217600. Its totient is φ = 13112875776.

The previous prime is 20463573359. The next prime is 20463573397. The reversal of 20463573369 is 96337536402.

It is not a de Polignac number, because 20463573369 - 2⁷ = 20463573241 is a prime.

It is a super-2 number, since 2×20463573369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20463573329) 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 in 15 ways as a sum of consecutive naturals, for example, 507984 + ... + 546785.

It is an arithmetic number, because the mean of its divisors is an integer number (1772013600).

Almost surely, 2^20463573369 is an apocalyptic number.

20463573369 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20463573369 is a deficient number, since it is larger than the sum of its proper divisors (7888644231).

20463573369 is a wasteful number, since it uses less digits than its factorization.

20463573369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055024.

The product of its (nonzero) digits is 2449440, while the sum is 48.

The spelling of 20463573369 in words is "twenty billion, four hundred sixty-three million, five hundred seventy-three thousand, three hundred sixty-nine".