20416206345212 has 12 divisors (see below), whose sum is σ = 37281768108816. Its totient is φ = 9764272599840.

The previous prime is 20416206345193. The next prime is 20416206345233. The reversal of 20416206345212 is 21254360261402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110957643089 + ... + 110957643272.

It is an arithmetic number, because the mean of its divisors is an integer number (3106814009068).

Almost surely, 2^{20416206345212} is an apocalyptic number.

It is an amenable number.

20416206345212 is a deficient number, since it is larger than the sum of its proper divisors (16865561763604).

20416206345212 is a wasteful number, since it uses less digits than its factorization.

20416206345212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221915286388 (or 221915286386 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 20416206345212 in words is "twenty trillion, four hundred sixteen billion, two hundred six million, three hundred forty-five thousand, two hundred twelve".