20125484600 has 192 divisors, whose sum is σ = 51840432000. Its totient is φ = 7219630080.

The previous prime is 20125484593. The next prime is 20125484657. The reversal of 20125484600 is 648452102.

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, 19184876 + ... + 19185924.

It is an arithmetic number, because the mean of its divisors is an integer number (270002250).

Almost surely, 2^20125484600 is an apocalyptic number.

20125484600 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 20125484600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25920216000).

20125484600 is an abundant number, since it is smaller than the sum of its proper divisors (31714947400).

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

20125484600 is a wasteful number, since it uses less digits than its factorization.

20125484600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 20125484600 in words is "twenty billion, one hundred twenty-five million, four hundred eighty-four thousand, six hundred".