20346642405202 has 32 divisors (see below), whose sum is σ = 30964629668544. Its totient is φ = 10026049752000.

The previous prime is 20346642405161. The next prime is 20346642405233. The reversal of 20346642405202 is 20250424664302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222850653 + ... + 222941935.

It is an arithmetic number, because the mean of its divisors is an integer number (967644677142).

Almost surely, 2^{20346642405202} is an apocalyptic number.

20346642405202 is a deficient number, since it is larger than the sum of its proper divisors (10617987263342).

20346642405202 is a wasteful number, since it uses less digits than its factorization.

20346642405202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96474.

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 20346642405202 in words is "twenty trillion, three hundred forty-six billion, six hundred forty-two million, four hundred five thousand, two hundred two".