2620206220466 has 4 divisors (see below), whose sum is σ = 3930309330702. Its totient is φ = 1310103110232.

The previous prime is 2620206220451. The next prime is 2620206220477. The reversal of 2620206220466 is 6640226020262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2237761687225 + 382444533241 = 1495915^2 + 618421^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655051555115 + ... + 655051555118.

Almost surely, 2^{2620206220466} is an apocalyptic number.

2620206220466 is a deficient number, since it is larger than the sum of its proper divisors (1310103110236).

2620206220466 is a wasteful number, since it uses less digits than its factorization.

2620206220466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310103110235.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 2620206220466 in words is "two trillion, six hundred twenty billion, two hundred six million, two hundred twenty thousand, four hundred sixty-six".