20300232977 has 2 divisors, whose sum is σ = 20300232978. Its totient is φ = 20300232976.

The previous prime is 20300232973. The next prime is 20300233147. The reversal of 20300232977 is 77923200302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14836214416 + 5464018561 = 121804^2 + 73919^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300232977 - 2² = 20300232973 is a prime.

It is not a weakly prime, because it can be changed into another prime (20300232973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150116488 + 10150116489.

It is an arithmetic number, because the mean of its divisors is an integer number (10150116489).

Almost surely, 2^20300232977 is an apocalyptic number.

It is an amenable number.

20300232977 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300232977 is an equidigital number, since it uses as much as digits as its factorization.

20300232977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 35.

The spelling of 20300232977 in words is "twenty billion, three hundred million, two hundred thirty-two thousand, nine hundred seventy-seven".