20058977 has 2 divisors, whose sum is σ = 20058978. Its totient is φ = 20058976.

The previous prime is 20058971. The next prime is 20059007. The reversal of 20058977 is 77985002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10962721 + 9096256 = 3311^2 + 3016^2 .

It is a cyclic number.

It is not a de Polignac number, because 20058977 - 2¹⁰ = 20057953 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20058977.

It is not a weakly prime, because it can be changed into another prime (20058971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10029488 + 10029489.

It is an arithmetic number, because the mean of its divisors is an integer number (10029489).

Almost surely, 2^20058977 is an apocalyptic number.

It is an amenable number.

20058977 is a deficient number, since it is larger than the sum of its proper divisors (1).

20058977 is an equidigital number, since it uses as much as digits as its factorization.

20058977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 20058977 is about 4478.7249301559. The cubic root of 20058977 is about 271.7083135034.

The spelling of 20058977 in words is "twenty million, fifty-eight thousand, nine hundred seventy-seven".