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20020022310 = 2355312591209
BaseRepresentation
bin10010101001010010…
…010100110000100110
31220200020012111200210
4102221102110300212
5312000111203220
613110322320250
71306054244661
oct225122246046
956606174623
1020020022310
118543865092
123a687b9086
131b70898262
14d7cc186d8
157c28c36e0
hex4a9494c26

20020022310 has 32 divisors (see below), whose sum is σ = 48954624480. Its totient is φ = 5237942528.

The previous prime is 20020022299. The next prime is 20020022339. The reversal of 20020022310 is 1322002002.

It is a super-2 number, since 2×200200223102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6294015 + ... + 6297194.

It is an arithmetic number, because the mean of its divisors is an integer number (1529832015).

Almost surely, 220020022310 is an apocalyptic number.

20020022310 is an abundant number, since it is smaller than the sum of its proper divisors (28934602170).

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

20020022310 is a wasteful number, since it uses less digits than its factorization.

20020022310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12591272.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20020022310 its reverse (1322002002), we get a palindrome (21342024312).

The spelling of 20020022310 in words is "twenty billion, twenty million, twenty-two thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 12591209 25182418 37773627 62956045 75547254 125912090 188868135 377736270 667334077 1334668154 2002002231 3336670385 4004004462 6673340770 10010011155 20020022310