20346663654610 has 32 divisors (see below), whose sum is σ = 36836387340480. Its totient is φ = 8091468842688.

The previous prime is 20346663654587. The next prime is 20346663654703. The reversal of 20346663654610 is 1645636664302.

It is a super-2 number, since 2×20346663654610² (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 15 ways as a sum of consecutive naturals, for example, 153078361 + ... + 153211219.

It is an arithmetic number, because the mean of its divisors is an integer number (1151137104390).

Almost surely, 2^{20346663654610} is an apocalyptic number.

20346663654610 is a deficient number, since it is larger than the sum of its proper divisors (16489723685870).

20346663654610 is a wasteful number, since it uses less digits than its factorization.

20346663654610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221562.

The product of its (nonzero) digits is 11197440, while the sum is 52.

The spelling of 20346663654610 in words is "twenty trillion, three hundred forty-six billion, six hundred sixty-three million, six hundred fifty-four thousand, six hundred ten".