20673354204 has 36 divisors (see below), whose sum is σ = 52349216920. Its totient is φ = 6879042720.

The previous prime is 20673354193. The next prime is 20673354223. The reversal of 20673354204 is 40245337602.

20673354204 is a `hidden beast` number, since 20 + 67 + 33 + 542 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 482299 + ... + 523410.

Almost surely, 2^20673354204 is an apocalyptic number.

It is an amenable number.

20673354204 is an abundant number, since it is smaller than the sum of its proper divisors (31675862716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20673354204 is a wasteful number, since it uses less digits than its factorization.

20673354204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006290 (or 1006285 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 20673354204 in words is "twenty billion, six hundred seventy-three million, three hundred fifty-four thousand, two hundred four".