20401013044245 has 32 divisors (see below), whose sum is σ = 32695915659264. Its totient is φ = 10862456225600.

The previous prime is 20401013044193. The next prime is 20401013044309. The reversal of 20401013044245 is 54244031010402.

It is not a de Polignac number, because 20401013044245 - 2¹¹ = 20401013042197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22613980 + ... + 23498810.

It is an arithmetic number, because the mean of its divisors is an integer number (1021747364352).

Almost surely, 2^{20401013044245} is an apocalyptic number.

It is an amenable number.

20401013044245 is a deficient number, since it is larger than the sum of its proper divisors (12294902615019).

20401013044245 is a wasteful number, since it uses less digits than its factorization.

20401013044245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887393.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 20401013044245 its reverse (54244031010402), we get a palindrome (74645044054647).

The spelling of 20401013044245 in words is "twenty trillion, four hundred one billion, thirteen million, forty-four thousand, two hundred forty-five".