20351633446046 has 16 divisors (see below), whose sum is σ = 34888579370880. Its totient is φ = 8722112396760.

The previous prime is 20351633446043. The next prime is 20351633446057. The reversal of 20351633446046 is 64064433615302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20351633446043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9383465 + ... + 11346923.

It is an arithmetic number, because the mean of its divisors is an integer number (2180536210680).

Almost surely, 2^{20351633446046} is an apocalyptic number.

20351633446046 is a deficient number, since it is larger than the sum of its proper divisors (14536945924834).

20351633446046 is a wasteful number, since it uses less digits than its factorization.

20351633446046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703839.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 20351633446046 in words is "twenty trillion, three hundred fifty-one billion, six hundred thirty-three million, four hundred forty-six thousand, forty-six".