20346512663402 has 8 divisors (see below), whose sum is σ = 30520197562500. Its totient is φ = 10173113475904.

The previous prime is 20346512663333. The next prime is 20346512663413. The reversal of 20346512663402 is 20436621564302.

It can be written as a sum of positive squares in 2 ways, for example, as 20188387936201 + 158124727201 = 4493149^2 + 397649^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71249777 + ... + 71534772.

Almost surely, 2^{20346512663402} is an apocalyptic number.

20346512663402 is a deficient number, since it is larger than the sum of its proper divisors (10173684899098).

20346512663402 is a wasteful number, since it uses less digits than its factorization.

20346512663402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142855800.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 20346512663402 in words is "twenty trillion, three hundred forty-six billion, five hundred twelve million, six hundred sixty-three thousand, four hundred two".