20554662346 has 32 divisors (see below), whose sum is σ = 32753952000. Its totient is φ = 9646983360.

The previous prime is 20554662319. The next prime is 20554662353. The reversal of 20554662346 is 64326645502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2379391 + ... + 2388013.

It is an arithmetic number, because the mean of its divisors is an integer number (1023561000).

Almost surely, 2^20554662346 is an apocalyptic number.

20554662346 is a deficient number, since it is larger than the sum of its proper divisors (12199289654).

20554662346 is a wasteful number, since it uses less digits than its factorization.

20554662346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 20554662346 in words is "twenty billion, five hundred fifty-four million, six hundred sixty-two thousand, three hundred forty-six".