20000202131 has 8 divisors (see below), whose sum is σ = 24615633504. Its totient is φ = 15824335680.

The previous prime is 20000202121. The next prime is 20000202281. The reversal of 20000202131 is 13120200002.

It is a happy number.

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 20000202131 - 2¹⁰ = 20000201107 is a prime.

It is a super-2 number, since 2×20000202131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20000202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109891130 + ... + 109891311.

It is an arithmetic number, because the mean of its divisors is an integer number (3076954188).

Almost surely, 2^20000202131 is an apocalyptic number.

20000202131 is a deficient number, since it is larger than the sum of its proper divisors (4615431373).

20000202131 is a wasteful number, since it uses less digits than its factorization.

20000202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219782461.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20000202131 its reverse (13120200002), we get a palindrome (33120402133).

The spelling of 20000202131 in words is "twenty billion, two hundred two thousand, one hundred thirty-one".