20362747721242 has 8 divisors (see below), whose sum is σ = 30548769923232. Its totient is φ = 10179824413500.

The previous prime is 20362747721237. The next prime is 20362747721257. The reversal of 20362747721242 is 24212774726302.

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, 774707134 + ... + 774733417.

It is an arithmetic number, because the mean of its divisors is an integer number (3818596240404).

Almost surely, 2^{20362747721242} is an apocalyptic number.

20362747721242 is a deficient number, since it is larger than the sum of its proper divisors (10186022201990).

20362747721242 is a wasteful number, since it uses less digits than its factorization.

20362747721242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549447124.

The product of its (nonzero) digits is 3161088, while the sum is 49.

The spelling of 20362747721242 in words is "twenty trillion, three hundred sixty-two billion, seven hundred forty-seven million, seven hundred twenty-one thousand, two hundred forty-two".