20314746544 has 10 divisors (see below), whose sum is σ = 39359821460. Its totient is φ = 10157373264.

The previous prime is 20314746533. The next prime is 20314746559. The reversal of 20314746544 is 44564741302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20314746497 and 20314746506.

It is an unprimeable number.

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, 634835814 + ... + 634835845.

It is an arithmetic number, because the mean of its divisors is an integer number (3935982146).

Almost surely, 2^20314746544 is an apocalyptic number.

It is an amenable number.

20314746544 is a deficient number, since it is larger than the sum of its proper divisors (19045074916).

20314746544 is a wasteful number, since it uses less digits than its factorization.

20314746544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269671667 (or 1269671661 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 20314746544 in words is "twenty billion, three hundred fourteen million, seven hundred forty-six thousand, five hundred forty-four".