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20022112000 = 28531125171
BaseRepresentation
bin10010101001011010…
…010010111100000000
31220200101010200012201
4102221122102330000
5312001130041000
613110435202544
71306111100242
oct225132227400
956611120181
1020022112000
118544a62100
123a69446454
131b7114a467
14d7d200092
157c2b8796a
hex4a9692f00

20022112000 has 216 divisors, whose sum is σ = 54834723216. Its totient is φ = 7279360000.

The previous prime is 20022111997. The next prime is 20022112003. The reversal of 20022112000 is 21122002.

It is an interprime number because it is at equal distance from previous prime (20022111997) and next prime (20022112003).

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 (20022112003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3869415 + ... + 3874585.

Almost surely, 220022112000 is an apocalyptic number.

20022112000 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 20022112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27417361608).

20022112000 is an abundant number, since it is smaller than the sum of its proper divisors (34812611216).

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

20022112000 is an equidigital number, since it uses as much as digits as its factorization.

20022112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224 (or 5189 counting only the distinct ones).

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

Adding to 20022112000 its reverse (21122002), we get a palindrome (20043234002).

The spelling of 20022112000 in words is "twenty billion, twenty-two million, one hundred twelve thousand".