20952678266602 has 8 divisors (see below), whose sum is σ = 31481311939812. Its totient is φ = 10458907620000.

The previous prime is 20952678266587. The next prime is 20952678266603. The reversal of 20952678266602 is 20666287625902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14776712714401 + 6175965552201 = 3844049^2 + 2485149^2 .

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 (20952678266603) 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, 8715755149 + ... + 8715757552.

Almost surely, 2^{20952678266602} is an apocalyptic number.

20952678266602 is a deficient number, since it is larger than the sum of its proper divisors (10528633673210).

20952678266602 is a wasteful number, since it uses less digits than its factorization.

20952678266602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17431513304.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 20952678266602 in words is "twenty trillion, nine hundred fifty-two billion, six hundred seventy-eight million, two hundred sixty-six thousand, six hundred two".