20210414465 has 32 divisors (see below), whose sum is σ = 24656482080. Its totient is φ = 15902244864.

The previous prime is 20210414461. The next prime is 20210414507. The reversal of 20210414465 is 56441401202.

It can be written as a sum of positive squares in 16 ways, for example, as 3881663809 + 16328750656 = 62303^2 + 127784^2 .

It is a cyclic number.

It is not a de Polignac number, because 20210414465 - 2² = 20210414461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20210414461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50907647 + ... + 50908043.

It is an arithmetic number, because the mean of its divisors is an integer number (770515065).

Almost surely, 2^20210414465 is an apocalyptic number.

It is an amenable number.

20210414465 is a deficient number, since it is larger than the sum of its proper divisors (4446067615).

20210414465 is a wasteful number, since it uses less digits than its factorization.

20210414465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 20210414465 its reverse (56441401202), we get a palindrome (76651815667).

The spelling of 20210414465 in words is "twenty billion, two hundred ten million, four hundred fourteen thousand, four hundred sixty-five".