20343247562 has 8 divisors (see below), whose sum is σ = 33288950592. Its totient is φ = 9246930700.

The previous prime is 20343247531. The next prime is 20343247609. The reversal of 20343247562 is 26574234302.

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

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, 462346514 + ... + 462346557.

It is an arithmetic number, because the mean of its divisors is an integer number (4161118824).

Almost surely, 2^20343247562 is an apocalyptic number.

20343247562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20343247562 is a deficient number, since it is larger than the sum of its proper divisors (12945703030).

20343247562 is a wasteful number, since it uses less digits than its factorization.

20343247562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924693084.

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 20343247562 in words is "twenty billion, three hundred forty-three million, two hundred forty-seven thousand, five hundred sixty-two".