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2020012120000 = 2654710171429
BaseRepresentation
bin11101011001010010000…
…110101101011111000000
321011010000010011212201201
4131121102012231133000
5231043441100320000
64143551502110544
7265640532501160
oct35312206553700
97133003155651
102020012120000
117097561a8836
122875a9b7b454
131186425c37b4
146daaa60c5a0
1537829d3e96a
hex1d6521ad7c0

2020012120000 has 280 divisors, whose sum is σ = 5781300766560. Its totient is φ = 685708800000.

The previous prime is 2020012119997. The next prime is 2020012120003. The reversal of 2020012120000 is 212100202.

It is an interprime number because it is at equal distance from previous prime (2020012119997) and next prime (2020012120003).

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020012120003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28244286 + ... + 28315714.

Almost surely, 22020012120000 is an apocalyptic number.

2020012120000 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 2020012120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2890650383280).

2020012120000 is an abundant number, since it is smaller than the sum of its proper divisors (3761288646560).

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

2020012120000 is an equidigital number, since it uses as much as digits as its factorization.

2020012120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71569 (or 71544 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2020012120000 its reverse (212100202), we get a palindrome (2020224220202).

The spelling of 2020012120000 in words is "two trillion, twenty billion, twelve million, one hundred twenty thousand".