20330625464 has 16 divisors (see below), whose sum is σ = 38130777600. Its totient is φ = 10162418112.

The previous prime is 20330625463. The next prime is 20330625473. The reversal of 20330625464 is 46452603302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330625463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331832 + ... + 388295.

It is an arithmetic number, because the mean of its divisors is an integer number (2383173600).

Almost surely, 2^20330625464 is an apocalyptic number.

It is an amenable number.

20330625464 is a deficient number, since it is larger than the sum of its proper divisors (17800152136).

20330625464 is a wasteful number, since it uses less digits than its factorization.

20330625464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723662 (or 723658 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 20330625464 in words is "twenty billion, three hundred thirty million, six hundred twenty-five thousand, four hundred sixty-four".