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2020356880920 = 23325721938315739
BaseRepresentation
bin11101011001100110101…
…001110111101000011000
321011010220010220112210200
4131121212221313220120
5231100142330142140
64144050015342200
7265652220065100
oct35314651675030
97133803815720
102020356880920
11709912874814
12287685521960
13118698b64141
146db00314200
153784a241030
hex1d666a77a18

2020356880920 has 576 divisors, whose sum is σ = 8061700608000. Its totient is φ = 436320815616.

The previous prime is 2020356880877. The next prime is 2020356880931. The reversal of 2020356880920 is 290886530202.

It is a happy number.

2020356880920 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 3 + 568 + 80 + 9 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 128358411 + ... + 128374149.

It is an arithmetic number, because the mean of its divisors is an integer number (13996008000).

Almost surely, 22020356880920 is an apocalyptic number.

2020356880920 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 2020356880920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4030850304000).

2020356880920 is an abundant number, since it is smaller than the sum of its proper divisors (6041343727080).

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

2020356880920 is a wasteful number, since it uses less digits than its factorization.

2020356880920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16172 (or 16158 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 2020356880920 in words is "two trillion, twenty billion, three hundred fifty-six million, eight hundred eighty thousand, nine hundred twenty".