20200231151 has 2 divisors, whose sum is σ = 20200231152. Its totient is φ = 20200231150.

The previous prime is 20200231099. The next prime is 20200231153. The reversal of 20200231151 is 15113200202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200231151 is a prime.

Together with 20200231153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200231153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100115575 + 10100115576.

It is an arithmetic number, because the mean of its divisors is an integer number (10100115576).

Almost surely, 2^20200231151 is an apocalyptic number.

20200231151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200231151 is an equidigital number, since it uses as much as digits as its factorization.

20200231151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 20200231151 its reverse (15113200202), we get a palindrome (35313431353).

The spelling of 20200231151 in words is "twenty billion, two hundred million, two hundred thirty-one thousand, one hundred fifty-one".