20048268100 has 72 divisors (see below), whose sum is σ = 49809936960. Its totient is φ = 6861217920.

The previous prime is 20048268091. The next prime is 20048268101. The reversal of 20048268100 is 186284002.

It is a super-2 number, since 2×20048268100² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20048268101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364191 + ... + 415609.

It is an arithmetic number, because the mean of its divisors is an integer number (691804680).

Almost surely, 2^20048268100 is an apocalyptic number.

20048268100 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 20048268100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24904968480).

20048268100 is an abundant number, since it is smaller than the sum of its proper divisors (29761668860).

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

20048268100 is a wasteful number, since it uses less digits than its factorization.

20048268100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51997 (or 51990 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The spelling of 20048268100 in words is "twenty billion, forty-eight million, two hundred sixty-eight thousand, one hundred".