20852664370 has 64 divisors (see below), whose sum is σ = 39418348032. Its totient is φ = 7934080000.

The previous prime is 20852664353. The next prime is 20852664421. The reversal of 20852664370 is 7346625802.

It is a super-2 number, since 2×20852664370² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 5412945 + ... + 5416795.

It is an arithmetic number, because the mean of its divisors is an integer number (615911688).

Almost surely, 2^20852664370 is an apocalyptic number.

20852664370 is a deficient number, since it is larger than the sum of its proper divisors (18565683662).

20852664370 is a wasteful number, since it uses less digits than its factorization.

20852664370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 20852664370 in words is "twenty billion, eight hundred fifty-two million, six hundred sixty-four thousand, three hundred seventy".