20300553120 has 48 divisors (see below), whose sum is σ = 63946743840. Its totient is φ = 5413480704.

The previous prime is 20300553113. The next prime is 20300553139. The reversal of 20300553120 is 2135500302.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×20300553120² (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 7 ways as a sum of consecutive naturals, for example, 21145930 + ... + 21146889.

It is an arithmetic number, because the mean of its divisors is an integer number (1332223830).

Almost surely, 2^20300553120 is an apocalyptic number.

20300553120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300553120 is an abundant number, since it is smaller than the sum of its proper divisors (43646190720).

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

20300553120 is a wasteful number, since it uses less digits than its factorization.

20300553120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42292837 (or 42292829 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The spelling of 20300553120 in words is "twenty billion, three hundred million, five hundred fifty-three thousand, one hundred twenty".