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2020023120020 = 225372729760973
BaseRepresentation
bin11101011001010010110…
…000101011000010010100
321011010000212212201220212
4131121102300223002110
5231044001404320040
64143552533544552
7265641025134203
oct35312260530224
97133025781825
102020023120020
11709761431264
122875b17a5158
13118644975599
146daabc7323a
153782acb3d65
hex1d652c2b094

2020023120020 has 24 divisors (see below), whose sum is σ = 4356698514504. Its totient is φ = 786171159936.

The previous prime is 2020023120007. The next prime is 2020023120041. The reversal of 2020023120020 is 200213200202.

It can be written as a sum of positive squares in 4 ways, for example, as 81651919504 + 1938371200516 = 285748^2 + 1392254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020023119977 and 2020023120004.

It is a congruent number.

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, 1364879747 + ... + 1364881226.

It is an arithmetic number, because the mean of its divisors is an integer number (181529104771).

Almost surely, 22020023120020 is an apocalyptic number.

2020023120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020023120020 is an abundant number, since it is smaller than the sum of its proper divisors (2336675394484).

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

2020023120020 is a wasteful number, since it uses less digits than its factorization.

2020023120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729761019 (or 2729761017 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 2020023120020 its reverse (200213200202), we get a palindrome (2220236320222).

The spelling of 2020023120020 in words is "two trillion, twenty billion, twenty-three million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 2729760973 5459521946 10919043892 13648804865 27297609730 54595219460 101001156001 202002312002 404004624004 505005780005 1010011560010 2020023120020