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2020111111200 = 2535271337249989
BaseRepresentation
bin11101011001011000000…
…000010101010000100000
321011010021000110011010110
4131121120000111100200
5231044141421024300
64144005355531320
7265643144062230
oct35313000252040
97133230404113
102020111111200
117097a7070346
12287617159b40
13118659c73080
146dab9819cc0
1537833895550
hex1d658015420

2020111111200 has 576 divisors, whose sum is σ = 8311635521280. Its totient is φ = 414700093440.

The previous prime is 2020111111121. The next prime is 2020111111229. The reversal of 2020111111200 is 21111110202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7955806 + ... + 8205794.

It is an arithmetic number, because the mean of its divisors is an integer number (14429922780).

Almost surely, 22020111111200 is an apocalyptic number.

2020111111200 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 2020111111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155817760640).

2020111111200 is an abundant number, since it is smaller than the sum of its proper divisors (6291524410080).

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

2020111111200 is a wasteful number, since it uses less digits than its factorization.

2020111111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250069 (or 250056 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2020111111200 its reverse (21111110202), we get a palindrome (2041222221402).

The spelling of 2020111111200 in words is "two trillion, twenty billion, one hundred eleven million, one hundred eleven thousand, two hundred".