20363743426 has 8 divisors (see below), whose sum is σ = 32895277884. Its totient is φ = 9398650800.

The previous prime is 20363743409. The next prime is 20363743457. The reversal of 20363743426 is 62434736302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18332889201 + 2030854225 = 135399^2 + 45065^2 .

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

It is a super-3 number, since 3×20363743426³ (a number of 32 digits) contains 333 as substring.

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, 391610425 + ... + 391610476.

Almost surely, 2^20363743426 is an apocalyptic number.

20363743426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20363743426 is a deficient number, since it is larger than the sum of its proper divisors (12531534458).

20363743426 is a wasteful number, since it uses less digits than its factorization.

20363743426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783220916.

The product of its (nonzero) digits is 435456, while the sum is 40.

The spelling of 20363743426 in words is "twenty billion, three hundred sixty-three million, seven hundred forty-three thousand, four hundred twenty-six".