20480649200 has 120 divisors (see below), whose sum is σ = 54065706240. Its totient is φ = 7393708800.

The previous prime is 20480649197. The next prime is 20480649209. The reversal of 20480649200 is 294608402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20480649209) 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, 594857 + ... + 628343.

It is an arithmetic number, because the mean of its divisors is an integer number (450547552).

Almost surely, 2^20480649200 is an apocalyptic number.

20480649200 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 20480649200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27032853120).

20480649200 is an abundant number, since it is smaller than the sum of its proper divisors (33585057040).

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

20480649200 is a wasteful number, since it uses less digits than its factorization.

20480649200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33655 (or 33644 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 20480649200 in words is "twenty billion, four hundred eighty million, six hundred forty-nine thousand, two hundred".