20006748100 has 36 divisors (see below), whose sum is σ = 43533019264. Its totient is φ = 7980878880.

The previous prime is 20006748071. The next prime is 20006748121. The reversal of 20006748100 is 184760002.

It is a super-2 number, since 2×20006748100² (a number of 21 digits) contains 22 as substring.

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, 235872 + ... + 309271.

Almost surely, 2^20006748100 is an apocalyptic number.

20006748100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20006748100 is an abundant number, since it is smaller than the sum of its proper divisors (23526271164).

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

20006748100 is a wasteful number, since it uses less digits than its factorization.

20006748100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545524 (or 545517 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 20006748100 in words is "twenty billion, six million, seven hundred forty-eight thousand, one hundred".