20852813673576 has 48 divisors (see below), whose sum is σ = 56544661180800. Its totient is φ = 6942532867872.

The previous prime is 20852813673563. The next prime is 20852813673577. The reversal of 20852813673576 is 67537631825802.

20852813673576 is a `hidden beast` number, since 2 + 0 + 8 + 5 + 28 + 1 + 36 + 7 + 3 + 576 = 666.

It is a super-3 number, since 3×20852813673576³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20852813673577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175044696 + ... + 175163783.

It is an arithmetic number, because the mean of its divisors is an integer number (1178013774600).

Almost surely, 2^{20852813673576} is an apocalyptic number.

It is an amenable number.

20852813673576 is an abundant number, since it is smaller than the sum of its proper divisors (35691847507224).

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

20852813673576 is a wasteful number, since it uses less digits than its factorization.

20852813673576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350209318 (or 350209311 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 63.

The spelling of 20852813673576 in words is "twenty trillion, eight hundred fifty-two billion, eight hundred thirteen million, six hundred seventy-three thousand, five hundred seventy-six".