20402131341 has 16 divisors (see below), whose sum is σ = 29232909504. Its totient is φ = 12610270464.

The previous prime is 20402131331. The next prime is 20402131349. The reversal of 20402131341 is 14313120402.

It is not a de Polignac number, because 20402131341 - 2⁷ = 20402131213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402131349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2981970 + ... + 2988803.

It is an arithmetic number, because the mean of its divisors is an integer number (1827056844).

Almost surely, 2^20402131341 is an apocalyptic number.

It is an amenable number.

20402131341 is a deficient number, since it is larger than the sum of its proper divisors (8830778163).

20402131341 is a wasteful number, since it uses less digits than its factorization.

20402131341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970860.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20402131341 its reverse (14313120402), we get a palindrome (34715251743).

The spelling of 20402131341 in words is "twenty billion, four hundred two million, one hundred thirty-one thousand, three hundred forty-one".