20124192200 has 108 divisors (see below), whose sum is σ = 54465734115. Its totient is φ = 6894908160.

The previous prime is 20124192181. The next prime is 20124192211. The reversal of 20124192200 is 229142102.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 14304638404 + 5819553796 = 119602^2 + 76286^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=100310.

It is a super-2 number, since 2×20124192200² (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 26 ways as a sum of consecutive naturals, for example, 14042684 + ... + 14044116.

Almost surely, 2^20124192200 is an apocalyptic number.

20124192200 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 20124192200

20124192200 is an abundant number, since it is smaller than the sum of its proper divisors (34341541915).

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

20124192200 is an equidigital number, since it uses as much as digits as its factorization.

20124192200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 20124192200 in words is "twenty billion, one hundred twenty-four million, one hundred ninety-two thousand, two hundred".