20346652356660 has 144 divisors (see below), whose sum is σ = 70537110973056. Its totient is φ = 4650528266496.

The previous prime is 20346652356649. The next prime is 20346652356671. The reversal of 20346652356660 is 6665325664302.

It is an interprime number because it is at equal distance from previous prime (20346652356649) and next prime (20346652356671).

It is a junction number, because it is equal to n+sod(n) for n = 20346652356597 and 20346652356606.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 46904319 + ... + 47336121.

It is an arithmetic number, because the mean of its divisors is an integer number (489841048424).

Almost surely, 2^{20346652356660} is an apocalyptic number.

20346652356660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20346652356660 is an abundant number, since it is smaller than the sum of its proper divisors (50190458616396).

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

20346652356660 is a wasteful number, since it uses less digits than its factorization.

20346652356660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469222 (or 469217 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 54.

The spelling of 20346652356660 in words is "twenty trillion, three hundred forty-six billion, six hundred fifty-two million, three hundred fifty-six thousand, six hundred sixty".