20889915203376 has 120 divisors (see below), whose sum is σ = 61194654166464. Its totient is φ = 6898227312960.

The previous prime is 20889915203293. The next prime is 20889915203533. The reversal of 20889915203376 is 67330251998802.

20889915203376 is a `hidden beast` number, since 2 + 0 + 8 + 8 + 9 + 9 + 1 + 520 + 33 + 76 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24691090 + ... + 25523121.

Almost surely, 2^{20889915203376} is an apocalyptic number.

It is an amenable number.

20889915203376 is an abundant number, since it is smaller than the sum of its proper divisors (40304738963088).

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

20889915203376 is a wasteful number, since it uses less digits than its factorization.

20889915203376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50214341 (or 50214323 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 20889915203376 in words is "twenty trillion, eight hundred eighty-nine billion, nine hundred fifteen million, two hundred three thousand, three hundred seventy-six".