20676406100 has 144 divisors (see below), whose sum is σ = 54116536320. Its totient is φ = 6698505600.

The previous prime is 20676406087. The next prime is 20676406169. The reversal of 20676406100 is 160467602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5730497 + ... + 5734103.

It is an arithmetic number, because the mean of its divisors is an integer number (375809280).

Almost surely, 2^20676406100 is an apocalyptic number.

20676406100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20676406100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27058268160).

20676406100 is an abundant number, since it is smaller than the sum of its proper divisors (33440130220).

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

20676406100 is a wasteful number, since it uses less digits than its factorization.

20676406100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078 (or 4071 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 20676406100 in words is "twenty billion, six hundred seventy-six million, four hundred six thousand, one hundred".