20531202341 has 8 divisors (see below), whose sum is σ = 22139139960. Its totient is φ = 18927352512.

The previous prime is 20531202301. The next prime is 20531202421. The reversal of 20531202341 is 14320213502.

It can be written as a sum of positive squares in 4 ways, for example, as 1006729441 + 19524472900 = 31729^2 + 139730^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20531202341 - 2³⁴ = 3351333157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20531202301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011506 + ... + 1031603.

It is an arithmetic number, because the mean of its divisors is an integer number (2767392495).

Almost surely, 2^20531202341 is an apocalyptic number.

It is an amenable number.

20531202341 is a deficient number, since it is larger than the sum of its proper divisors (1607937619).

20531202341 is a wasteful number, since it uses less digits than its factorization.

20531202341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043895.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20531202341 its reverse (14320213502), we get a palindrome (34851415843).

The spelling of 20531202341 in words is "twenty billion, five hundred thirty-one million, two hundred two thousand, three hundred forty-one".