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20301431322 = 2353173369023
BaseRepresentation
bin10010111010000011…
…110100001000011010
31221101211201120021210
4102322003310020122
5313034131300242
613154254043550
71316042214264
oct227203641032
957354646253
1020301431322
1186786a0917
123b26aa95b6
131bb6c87073
14da834cb34
157dc45dd9c
hex4ba0f421a

20301431322 has 32 divisors (see below), whose sum is σ = 41608194048. Its totient is φ = 6601065536.

The previous prime is 20301431317. The next prime is 20301431329. The reversal of 20301431322 is 22313410302.

It is a super-2 number, since 2×203014313222 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20301431329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129498 + ... + 239525.

It is an arithmetic number, because the mean of its divisors is an integer number (1300256064).

Almost surely, 220301431322 is an apocalyptic number.

20301431322 is an abundant number, since it is smaller than the sum of its proper divisors (21306762726).

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

20301431322 is a wasteful number, since it uses less digits than its factorization.

20301431322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369254.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20301431322 its reverse (22313410302), we get a palindrome (42614841624).

The spelling of 20301431322 in words is "twenty billion, three hundred one million, four hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 53 106 159 173 318 346 519 1038 9169 18338 27507 55014 369023 738046 1107069 2214138 19558219 39116438 58674657 63840979 117349314 127681958 191522937 383045874 3383571887 6767143774 10150715661 20301431322