20214241009 has 2 divisors, whose sum is σ = 20214241010. Its totient is φ = 20214241008.

The previous prime is 20214240979. The next prime is 20214241031. The reversal of 20214241009 is 90014241202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19236303025 + 977937984 = 138695^2 + 31272^2 .

It is a cyclic number.

It is not a de Polignac number, because 20214241009 - 2¹³ = 20214232817 is a prime.

It is not a weakly prime, because it can be changed into another prime (20214241309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107120504 + 10107120505.

It is an arithmetic number, because the mean of its divisors is an integer number (10107120505).

Almost surely, 2^20214241009 is an apocalyptic number.

It is an amenable number.

20214241009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20214241009 is an equidigital number, since it uses as much as digits as its factorization.

20214241009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 20214241009 in words is "twenty billion, two hundred fourteen million, two hundred forty-one thousand, nine".