20642555010602 has 8 divisors (see below), whose sum is σ = 35387237161056. Its totient is φ = 8846809290252.

The previous prime is 20642555010599. The next prime is 20642555010709. The reversal of 20642555010602 is 20601055524602.

It is a happy number.

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

It is a super-2 number, since 2×20642555010602² (a number of 27 digits) contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 737234107508 + ... + 737234107535.

It is an arithmetic number, because the mean of its divisors is an integer number (4423404645132).

Almost surely, 2^{20642555010602} is an apocalyptic number.

20642555010602 is a deficient number, since it is larger than the sum of its proper divisors (14744682150454).

20642555010602 is a wasteful number, since it uses less digits than its factorization.

20642555010602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474468215052.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 20642555010602 in words is "twenty trillion, six hundred forty-two billion, five hundred fifty-five million, ten thousand, six hundred two".