20601550274 has 4 divisors (see below), whose sum is σ = 30902325414. Its totient is φ = 10300775136.

The previous prime is 20601550273. The next prime is 20601550301. The reversal of 20601550274 is 47205510602.

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., 20051976025 + 549574249 = 141605^2 + 23443^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20601550274.

It is not an unprimeable number, because it can be changed into a prime (20601550273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5150387567 + ... + 5150387570.

Almost surely, 2^20601550274 is an apocalyptic number.

20601550274 is a deficient number, since it is larger than the sum of its proper divisors (10300775140).

20601550274 is a wasteful number, since it uses less digits than its factorization.

20601550274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10300775139.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 20601550274 in words is "twenty billion, six hundred one million, five hundred fifty thousand, two hundred seventy-four".