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20132431022 = 2112813256621
BaseRepresentation
bin10010101111111111…
…001000010010101110
31220222001201110110102
4102233333020102232
5312212400243042
613125415511102
71311620561114
oct225777102256
956861643412
1020132431022
1185a1261450
123a9a388492
131b8ac64aa2
14d8db19ab4
157cc6c9b32
hex4affc84ae

20132431022 has 16 divisors (see below), whose sum is σ = 33061226544. Its totient is φ = 9118536000.

The previous prime is 20132431013. The next prime is 20132431031. The reversal of 20132431022 is 22013423102.

It is an interprime number because it is at equal distance from previous prime (20132431013) and next prime (20132431031).

It is a junction number, because it is equal to n+sod(n) for n = 20132430985 and 20132431003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622129 + ... + 1634492.

It is an arithmetic number, because the mean of its divisors is an integer number (2066326659).

Almost surely, 220132431022 is an apocalyptic number.

20132431022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20132431022 is a deficient number, since it is larger than the sum of its proper divisors (12928795522).

20132431022 is a wasteful number, since it uses less digits than its factorization.

20132431022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256915.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20132431022 its reverse (22013423102), we get a palindrome (42145854124).

It can be divided in two parts, 20132 and 431022, that added together give a palindrome (451154).

The spelling of 20132431022 in words is "twenty billion, one hundred thirty-two million, four hundred thirty-one thousand, twenty-two".

Divisors: 1 2 11 22 281 562 3091 6182 3256621 6513242 35822831 71645662 915110501 1830221002 10066215511 20132431022