20514324100 has 18 divisors (see below), whose sum is σ = 44516083514. Its totient is φ = 8205729600.

The previous prime is 20514324043. The next prime is 20514324109. The reversal of 20514324100 is 142341502.

It can be written as a sum of positive squares in 3 ways, for example, as 606242884 + 19908081216 = 24622^2 + 141096^2 .

It is not an unprimeable number, because it can be changed into a prime (20514324109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102571521 + ... + 102571720.

Almost surely, 2^20514324100 is an apocalyptic number.

20514324100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20514324100 is an abundant number, since it is smaller than the sum of its proper divisors (24001759414).

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

20514324100 is a wasteful number, since it uses less digits than its factorization.

20514324100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205143255 (or 205143248 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20514324100 its reverse (142341502), we get a palindrome (20656665602).

The spelling of 20514324100 in words is "twenty billion, five hundred fourteen million, three hundred twenty-four thousand, one hundred".