20452522613426 has 8 divisors (see below), whose sum is σ = 30678827711724. Its totient is φ = 10226246709520.

The previous prime is 20452522613423. The next prime is 20452522613437. The reversal of 20452522613426 is 62431622525402.

It can be written as a sum of positive squares in 2 ways, for example, as 18934203309025 + 1518319304401 = 4351345^2 + 1232201^2 .

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 (20452522613423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5453945 + ... + 8405388.

Almost surely, 2^{20452522613426} is an apocalyptic number.

20452522613426 is a deficient number, since it is larger than the sum of its proper divisors (10226305098298).

20452522613426 is a wasteful number, since it uses less digits than its factorization.

20452522613426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14597196.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 20452522613426 in words is "twenty trillion, four hundred fifty-two billion, five hundred twenty-two million, six hundred thirteen thousand, four hundred twenty-six".