20209243850352 has 40 divisors (see below), whose sum is σ = 58008014756880. Its totient is φ = 6736414616640.

The previous prime is 20209243850351. The next prime is 20209243850399. The reversal of 20209243850352 is 25305834290202.

20209243850352 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 9 + 243 + 8 + 50 + 352 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20209243850298 and 20209243850307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20209243850351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23390328099 + ... + 23390328962.

It is an arithmetic number, because the mean of its divisors is an integer number (1450200368922).

Almost surely, 2^{20209243850352} is an apocalyptic number.

It is an amenable number.

20209243850352 is an abundant number, since it is smaller than the sum of its proper divisors (37798770906528).

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

20209243850352 is a wasteful number, since it uses less digits than its factorization.

20209243850352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46780657078 (or 46780657066 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 20209243850352 in words is "twenty trillion, two hundred nine billion, two hundred forty-three million, eight hundred fifty thousand, three hundred fifty-two".