20310466145646 has 16 divisors (see below), whose sum is σ = 42021654094800. Its totient is φ = 6536701747968.

The previous prime is 20310466145639. The next prime is 20310466145653. The reversal of 20310466145646 is 64654166401302.

It is an interprime number because it is at equal distance from previous prime (20310466145639) and next prime (20310466145653).

It is a junction number, because it is equal to n+sod(n) for n = 20310466145595 and 20310466145604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58363408291 + ... + 58363408638.

It is an arithmetic number, because the mean of its divisors is an integer number (2626353380925).

Almost surely, 2^{20310466145646} is an apocalyptic number.

20310466145646 is an abundant number, since it is smaller than the sum of its proper divisors (21711187949154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20310466145646 is a wasteful number, since it uses less digits than its factorization.

20310466145646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116726816963.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 20310466145646 in words is "twenty trillion, three hundred ten billion, four hundred sixty-six million, one hundred forty-five thousand, six hundred forty-six".