20461351215026 has 8 divisors (see below), whose sum is σ = 31521541061100. Its totient is φ = 9954170861328.

The previous prime is 20461351215007. The next prime is 20461351215163. The reversal of 20461351215026 is 62051215316402.

It can be written as a sum of positive squares in 2 ways, for example, as 18068033923801 + 2393317291225 = 4250651^2 + 1547035^2 .

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

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, 138252373001 + ... + 138252373148.

Almost surely, 2^{20461351215026} is an apocalyptic number.

20461351215026 is a deficient number, since it is larger than the sum of its proper divisors (11060189846074).

20461351215026 is a wasteful number, since it uses less digits than its factorization.

20461351215026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276504746188.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 20461351215026 in words is "twenty trillion, four hundred sixty-one billion, three hundred fifty-one million, two hundred fifteen thousand, twenty-six".