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20022020200 = 23527136171783
BaseRepresentation
bin10010101001011001…
…111100100001101000
31220200100222000021201
4102221121330201220
5312001114121300
613110433213544
71306110235510
oct225131744150
956610860251
1020022020200
1185449aa136
123a694012b4
131b71117740
14d7d1b8840
157c2b6a66a
hex4a967c868

20022020200 has 192 divisors, whose sum is σ = 57418824960. Its totient is φ = 6322821120.

The previous prime is 20022020173. The next prime is 20022020209. The reversal of 20022020200 is 202022002.

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

It is not an unprimeable number, because it can be changed into a prime (20022020209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11228509 + ... + 11230291.

It is an arithmetic number, because the mean of its divisors is an integer number (299056380).

Almost surely, 220022020200 is an apocalyptic number.

20022020200 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 20022020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28709412480).

20022020200 is an abundant number, since it is smaller than the sum of its proper divisors (37396804760).

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

20022020200 is a wasteful number, since it uses less digits than its factorization.

20022020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20022020200 its reverse (202022002), we get a palindrome (20224042202).

It can be divided in two parts, 2002 and 2020200, that added together give a palindrome (2022202).

The spelling of 20022020200 in words is "twenty billion, twenty-two million, twenty thousand, two hundred".