20377153 has 2 divisors, whose sum is σ = 20377154. Its totient is φ = 20377152.

The previous prime is 20377129. The next prime is 20377157. The reversal of 20377153 is 35177302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11751184 + 8625969 = 3428^2 + 2937^2 .

It is a cyclic number.

It is not a de Polignac number, because 20377153 - 2¹⁷ = 20246081 is a prime.

It is not a weakly prime, because it can be changed into another prime (20377157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10188576 + 10188577.

It is an arithmetic number, because the mean of its divisors is an integer number (10188577).

Almost surely, 2^20377153 is an apocalyptic number.

It is an amenable number.

20377153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20377153 is an equidigital number, since it uses as much as digits as its factorization.

20377153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 20377153 is about 4514.1060022999. The cubic root of 20377153 is about 273.1373985787.

The spelling of 20377153 in words is "twenty million, three hundred seventy-seven thousand, one hundred fifty-three".