20642360522 has 8 divisors (see below), whose sum is σ = 35386903776. Its totient is φ = 8846725932.

The previous prime is 20642360509. The next prime is 20642360561. The reversal of 20642360522 is 22506324602.

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

It is a super-2 number, since 2×20642360522² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737227148 + ... + 737227175.

It is an arithmetic number, because the mean of its divisors is an integer number (4423362972).

Almost surely, 2^20642360522 is an apocalyptic number.

20642360522 is a deficient number, since it is larger than the sum of its proper divisors (14744543254).

20642360522 is a wasteful number, since it uses less digits than its factorization.

20642360522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474454332.

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 20642360522 in words is "twenty billion, six hundred forty-two million, three hundred sixty thousand, five hundred twenty-two".