20023451124 has 12 divisors (see below), whose sum is σ = 46721385984. Its totient is φ = 6674483704.

The previous prime is 20023451101. The next prime is 20023451143. The reversal of 20023451124 is 42115432002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20023451094 and 20023451103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834310452 + ... + 834310475.

It is an arithmetic number, because the mean of its divisors is an integer number (3893448832).

Almost surely, 2^20023451124 is an apocalyptic number.

It is an amenable number.

20023451124 is an abundant number, since it is smaller than the sum of its proper divisors (26697934860).

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

20023451124 is a wasteful number, since it uses less digits than its factorization.

20023451124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668620934 (or 1668620932 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20023451124 its reverse (42115432002), we get a palindrome (62138883126).

The spelling of 20023451124 in words is "twenty billion, twenty-three million, four hundred fifty-one thousand, one hundred twenty-four".