20351633446045 has 32 divisors (see below), whose sum is σ = 26690707685376. Its totient is φ = 14774213582400.

The previous prime is 20351633446043. The next prime is 20351633446057. The reversal of 20351633446045 is 54064433615302.

It is not a de Polignac number, because 20351633446045 - 2¹ = 20351633446043 is a prime.

It is a super-2 number, since 2×20351633446045² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20351633445986 and 20351633446004.

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 31 ways as a sum of consecutive naturals, for example, 201828690 + ... + 201929500.

It is an arithmetic number, because the mean of its divisors is an integer number (834084615168).

Almost surely, 2^{20351633446045} is an apocalyptic number.

It is an amenable number.

20351633446045 is a deficient number, since it is larger than the sum of its proper divisors (6339074239331).

20351633446045 is a wasteful number, since it uses less digits than its factorization.

20351633446045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107481.

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 20351633446045 in words is "twenty trillion, three hundred fifty-one billion, six hundred thirty-three million, four hundred forty-six thousand, forty-five".