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20122140000 = 25354192929
BaseRepresentation
bin10010101111010111…
…110111110101100000
31220221100100121211110
4102233113313311200
5312202231440000
613124411143320
71311434240124
oct225727676540
956840317743
1020122140000
118596472676
123a96a44b40
131b88aa0921
14d8c5db584
157cb845850
hex4af5f7d60

20122140000 has 360 divisors, whose sum is σ = 69736395960. Its totient is φ = 5078016000.

The previous prime is 20122139993. The next prime is 20122140011. The reversal of 20122140000 is 4122102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 21659536 + ... + 21660464.

It is an arithmetic number, because the mean of its divisors is an integer number (193712211).

Almost surely, 220122140000 is an apocalyptic number.

20122140000 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 20122140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34868197980).

20122140000 is an abundant number, since it is smaller than the sum of its proper divisors (49614255960).

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

20122140000 is an equidigital number, since it uses as much as digits as its factorization.

20122140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20122140000 its reverse (4122102), we get a palindrome (20126262102).

The spelling of 20122140000 in words is "twenty billion, one hundred twenty-two million, one hundred forty thousand".