20322053464 has 8 divisors (see below), whose sum is σ = 38103850260. Its totient is φ = 10161026728.

The previous prime is 20322053461. The next prime is 20322053513. The reversal of 20322053464 is 46435022302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322053461) 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 as a sum of consecutive naturals, namely, 1270128334 + ... + 1270128349.

Almost surely, 2^20322053464 is an apocalyptic number.

It is an amenable number.

20322053464 is a deficient number, since it is larger than the sum of its proper divisors (17781796796).

20322053464 is a wasteful number, since it uses less digits than its factorization.

20322053464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540256689 (or 2540256685 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 20322053464 its reverse (46435022302), we get a palindrome (66757075766).

The spelling of 20322053464 in words is "twenty billion, three hundred twenty-two million, fifty-three thousand, four hundred sixty-four".