20966599928352 has 96 divisors (see below), whose sum is σ = 60532049716992. Its totient is φ = 6314000615424.

The previous prime is 20966599928321. The next prime is 20966599928371. The reversal of 20966599928352 is 25382999566902.

It is a tau number, because it is divible by the number of its divisors (96).

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, 178666453 + ... + 178783764.

It is an arithmetic number, because the mean of its divisors is an integer number (630542184552).

Almost surely, 2^{20966599928352} is an apocalyptic number.

It is an amenable number.

20966599928352 is an abundant number, since it is smaller than the sum of its proper divisors (39565449788640).

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

20966599928352 is a wasteful number, since it uses less digits than its factorization.

20966599928352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357450290 (or 357450282 counting only the distinct ones).

The product of its (nonzero) digits is 1133740800, while the sum is 75.

The spelling of 20966599928352 in words is "twenty trillion, nine hundred sixty-six billion, five hundred ninety-nine million, nine hundred twenty-eight thousand, three hundred fifty-two".