20936093446 has 16 divisors (see below), whose sum is σ = 31473598464. Its totient is φ = 10444913224.

The previous prime is 20936093323. The next prime is 20936093447. The reversal of 20936093446 is 64439063902.

It is a junction number, because it is equal to n+sod(n) for n = 20936093396 and 20936093405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20936093447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3405051 + ... + 3411193.

It is an arithmetic number, because the mean of its divisors is an integer number (1967099904).

Almost surely, 2^20936093446 is an apocalyptic number.

20936093446 is a deficient number, since it is larger than the sum of its proper divisors (10537505018).

20936093446 is a wasteful number, since it uses less digits than its factorization.

20936093446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635.

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 20936093446 in words is "twenty billion, nine hundred thirty-six million, ninety-three thousand, four hundred forty-six".