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20020222002 = 2311835936163
BaseRepresentation
bin10010101001010011…
…000101100000110010
31220200020120122121210
4102221103011200302
5312000134101002
613110330500550
71306056036114
oct225123054062
956606518553
1020020222002
118543991120
123a68894756
131b70938111
14d7cc6b3b4
157c291296c
hex4a94c5832

20020222002 has 64 divisors (see below), whose sum is σ = 44288487936. Its totient is φ = 5982562560.

The previous prime is 20020221979. The next prime is 20020222049. The reversal of 20020222002 is 20022202002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3245373 + ... + 3251535.

It is an arithmetic number, because the mean of its divisors is an integer number (692007624).

Almost surely, 220020222002 is an apocalyptic number.

20020222002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020222002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22144243968).

20020222002 is an abundant number, since it is smaller than the sum of its proper divisors (24268265934).

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

20020222002 is a wasteful number, since it uses less digits than its factorization.

20020222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20020222002 its reverse (20022202002), we get a palindrome (40042424004).

It can be divided in two parts, 200 and 20222002, that added together give a palindrome (20222202).

The spelling of 20020222002 in words is "twenty billion, twenty million, two hundred twenty-two thousand, two".

Divisors: 1 2 3 6 11 22 33 66 83 166 249 498 593 913 1186 1779 1826 2739 3558 5478 6163 6523 12326 13046 18489 19569 36978 39138 49219 67793 98438 135586 147657 203379 295314 406758 511529 541409 1023058 1082818 1534587 1624227 3069174 3248454 3654659 5626819 7309318 10963977 11253638 16880457 21927954 33760914 40201249 80402498 120603747 241207494 303336697 606673394 910010091 1820020182 3336703667 6673407334 10010111001 20020222002