20576141 has 2 divisors, whose sum is σ = 20576142. Its totient is φ = 20576140.

The previous prime is 20576131. The next prime is 20576161. The reversal of 20576141 is 14167502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16434916 + 4141225 = 4054^2 + 2035^2 .

It is a cyclic number.

It is not a de Polignac number, because 20576141 - 2¹⁴ = 20559757 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 20576141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20576131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10288070 + 10288071.

It is an arithmetic number, because the mean of its divisors is an integer number (10288071).

Almost surely, 2^20576141 is an apocalyptic number.

It is an amenable number.

20576141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20576141 is an equidigital number, since it uses as much as digits as its factorization.

20576141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 20576141 is about 4536.0931427827. The cubic root of 20576141 is about 274.0236051555.

The spelling of 20576141 in words is "twenty million, five hundred seventy-six thousand, one hundred forty-one".