20863903226 has 8 divisors (see below), whose sum is σ = 31297662900. Its totient is φ = 10431348928.

The previous prime is 20863903219. The next prime is 20863903237. The reversal of 20863903226 is 62230936802.

It can be written as a sum of positive squares in 2 ways, for example, as 18617238025 + 2246665201 = 136445^2 + 47399^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256751 + ... + 328098.

Almost surely, 2^20863903226 is an apocalyptic number.

20863903226 is a deficient number, since it is larger than the sum of its proper divisors (10433759674).

20863903226 is a wasteful number, since it uses less digits than its factorization.

20863903226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602688.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 20863903226 in words is "twenty billion, eight hundred sixty-three million, nine hundred three thousand, two hundred twenty-six".