20850989482 has 8 divisors (see below), whose sum is σ = 31281501636. Its totient is φ = 10423822272.

The previous prime is 20850989417. The next prime is 20850989483. The reversal of 20850989482 is 28498905802.

It can be written as a sum of positive squares in 2 ways, for example, as 17158118121 + 3692871361 = 130989^2 + 60769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20850989483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820593 + ... + 845620.

Almost surely, 2^20850989482 is an apocalyptic number.

20850989482 is a deficient number, since it is larger than the sum of its proper divisors (10430512154).

20850989482 is a wasteful number, since it uses less digits than its factorization.

20850989482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672472.

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 20850989482 in words is "twenty billion, eight hundred fifty million, nine hundred eighty-nine thousand, four hundred eighty-two".