20610464361 has 32 divisors (see below), whose sum is σ = 28030464000. Its totient is φ = 13468949568.

The previous prime is 20610464327. The next prime is 20610464363. The reversal of 20610464361 is 16346401602.

It is not a de Polignac number, because 20610464361 - 2⁹ = 20610463849 is a prime.

It is a super-2 number, since 2×20610464361² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20610464363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13052070 + ... + 13053648.

It is an arithmetic number, because the mean of its divisors is an integer number (875952000).

Almost surely, 2^20610464361 is an apocalyptic number.

It is an amenable number.

20610464361 is a deficient number, since it is larger than the sum of its proper divisors (7419999639).

20610464361 is a wasteful number, since it uses less digits than its factorization.

20610464361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 20610464361 its reverse (16346401602), we get a palindrome (36956865963).

The spelling of 20610464361 in words is "twenty billion, six hundred ten million, four hundred sixty-four thousand, three hundred sixty-one".