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20514800060 = 2251025740003
BaseRepresentation
bin10011000110110001…
…110000000110111100
31221221201012211011122
4103012301300012330
5314003242100220
613231355210112
71324242631466
oct230661600674
957851184148
1020514800060
118778084a17
123b86446938
131c1c242361
14dc8811136
15801059425
hex4c6c701bc

20514800060 has 12 divisors (see below), whose sum is σ = 43081080168. Its totient is φ = 8205920016.

The previous prime is 20514799979. The next prime is 20514800083. The reversal of 20514800060 is 6000841502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512869982 + ... + 512870021.

It is an arithmetic number, because the mean of its divisors is an integer number (3590090014).

Almost surely, 220514800060 is an apocalyptic number.

20514800060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20514800060 is an abundant number, since it is smaller than the sum of its proper divisors (22566280108).

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

20514800060 is a wasteful number, since it uses less digits than its factorization.

20514800060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025740012 (or 1025740010 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 20514800060 in words is "twenty billion, five hundred fourteen million, eight hundred thousand, sixty".

Divisors: 1 2 4 5 10 20 1025740003 2051480006 4102960012 5128700015 10257400030 20514800060