20623003344 has 60 divisors (see below), whose sum is σ = 57787259712. Its totient is φ = 6865819200.

The previous prime is 20623003309. The next prime is 20623003367. The reversal of 20623003344 is 44330032602.

It is a happy number.

20623003344 is a `hidden beast` number, since 2 + 0 + 623 + 0 + 0 + 3 + 34 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28489 + ... + 205079.

Almost surely, 2^20623003344 is an apocalyptic number.

20623003344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20623003344 is an abundant number, since it is smaller than the sum of its proper divisors (37164256368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20623003344 is a wasteful number, since it uses less digits than its factorization.

20623003344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177416 (or 177407 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20623003344 its reverse (44330032602), we get a palindrome (64953035946).

The spelling of 20623003344 in words is "twenty billion, six hundred twenty-three million, three thousand, three hundred forty-four".