20604300367530 has 128 divisors (see below), whose sum is σ = 54386870833152. Its totient is φ = 4954183520000.

The previous prime is 20604300367501. The next prime is 20604300367561. The reversal of 20604300367530 is 3576300340602.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80755960 + ... + 81010700.

It is an arithmetic number, because the mean of its divisors is an integer number (424897428384).

Almost surely, 2^{20604300367530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20604300367530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27193435416576).

20604300367530 is an abundant number, since it is smaller than the sum of its proper divisors (33782570465622).

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

20604300367530 is a wasteful number, since it uses less digits than its factorization.

20604300367530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256764.

The product of its (nonzero) digits is 272160, while the sum is 39.

The spelling of 20604300367530 in words is "twenty trillion, six hundred four billion, three hundred million, three hundred sixty-seven thousand, five hundred thirty".