20123080700 has 18 divisors (see below), whose sum is σ = 43667085336. Its totient is φ = 8049232240.

The previous prime is 20123080699. The next prime is 20123080711. The reversal of 20123080700 is 708032102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100615304 + ... + 100615503.

Almost surely, 2^20123080700 is an apocalyptic number.

20123080700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123080700 is an abundant number, since it is smaller than the sum of its proper divisors (23544004636).

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

20123080700 is a wasteful number, since it uses less digits than its factorization.

20123080700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201230821 (or 201230814 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The spelling of 20123080700 in words is "twenty billion, one hundred twenty-three million, eighty thousand, seven hundred".