20852925343 has 2 divisors, whose sum is σ = 20852925344. Its totient is φ = 20852925342.

The previous prime is 20852925319. The next prime is 20852925347. The reversal of 20852925343 is 34352925802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20852925343 - 2¹⁷ = 20852794271 is a prime.

It is a super-3 number, since 3×20852925343³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20852925343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20852925347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10426462671 + 10426462672.

It is an arithmetic number, because the mean of its divisors is an integer number (10426462672).

Almost surely, 2^20852925343 is an apocalyptic number.

20852925343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20852925343 is an equidigital number, since it uses as much as digits as its factorization.

20852925343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 20852925343 in words is "twenty billion, eight hundred fifty-two million, nine hundred twenty-five thousand, three hundred forty-three".