20356715062 has 4 divisors (see below), whose sum is σ = 30535072596. Its totient is φ = 10178357530.

The previous prime is 20356715053. The next prime is 20356715107. The reversal of 20356715062 is 26051765302.

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

It is a congruent number.

It is an unprimeable number.

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, 5089178764 + ... + 5089178767.

It is an arithmetic number, because the mean of its divisors is an integer number (7633768149).

Almost surely, 2^20356715062 is an apocalyptic number.

20356715062 is a deficient number, since it is larger than the sum of its proper divisors (10178357534).

20356715062 is a wasteful number, since it uses less digits than its factorization.

20356715062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178357533.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 20356715062 in words is "twenty billion, three hundred fifty-six million, seven hundred fifteen thousand, sixty-two".