20207333025381 has 16 divisors (see below), whose sum is σ = 27077794765056. Its totient is φ = 13404378172416.

The previous prime is 20207333025353. The next prime is 20207333025389. The reversal of 20207333025381 is 18352033370202.

It is not a de Polignac number, because 20207333025381 - 2¹³ = 20207333017189 is a prime.

It is a super-2 number, since 2×20207333025381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20207333025389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20116080 + ... + 21096713.

It is an arithmetic number, because the mean of its divisors is an integer number (1692362172816).

Almost surely, 2^{20207333025381} is an apocalyptic number.

It is an amenable number.

20207333025381 is a deficient number, since it is larger than the sum of its proper divisors (6870461739675).

20207333025381 is a wasteful number, since it uses less digits than its factorization.

20207333025381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41213612.

The product of its (nonzero) digits is 181440, while the sum is 39.

Adding to 20207333025381 its reverse (18352033370202), we get a palindrome (38559366395583).

The spelling of 20207333025381 in words is "twenty trillion, two hundred seven billion, three hundred thirty-three million, twenty-five thousand, three hundred eighty-one".