20300535504 has 120 divisors (see below), whose sum is σ = 59608200704. Its totient is φ = 6441120000.

The previous prime is 20300535469. The next prime is 20300535529. The reversal of 20300535504 is 40553500302.

20300535504 is a `hidden beast` number, since 2 + 0 + 300 + 5 + 355 + 0 + 4 = 666.

It is a super-2 number, since 2×20300535504² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235029 + ... + 309579.

Almost surely, 2^20300535504 is an apocalyptic number.

20300535504 is a gapful number since it is divisible by the number (24) 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 20300535504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29804100352).

20300535504 is an abundant number, since it is smaller than the sum of its proper divisors (39307665200).

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

20300535504 is a wasteful number, since it uses less digits than its factorization.

20300535504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74657 (or 74648 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The spelling of 20300535504 in words is "twenty billion, three hundred million, five hundred thirty-five thousand, five hundred four".