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2020011112020 = 223511171016772633
BaseRepresentation
bin11101011001010010000…
…010110111011001010100
321011010000001021200001010
4131121102002313121110
5231043440321041040
64143551424332220
7265640521102356
oct35312202673124
97133001250033
102020011112020
1170975567a4a0
122875a9774070
1311864232ca65
146daaa4290d6
1537829be0e80
hex1d6520b7654

2020011112020 has 384 divisors, whose sum is σ = 6610109732352. Its totient is φ = 455483392000.

The previous prime is 2020011111893. The next prime is 2020011112051. The reversal of 2020011112020 is 202111100202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2020011111987 and 2020011112005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 767188624 + ... + 767191256.

It is an arithmetic number, because the mean of its divisors is an integer number (17213827428).

Almost surely, 22020011112020 is an apocalyptic number.

2020011112020 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 2020011112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3305054866176).

2020011112020 is an abundant number, since it is smaller than the sum of its proper divisors (4590098620332).

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

2020011112020 is a wasteful number, since it uses less digits than its factorization.

2020011112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2020011112020 its reverse (202111100202), we get a palindrome (2222122212222).

The spelling of 2020011112020 in words is "two trillion, twenty billion, eleven million, one hundred twelve thousand, twenty".