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20330031022302 = 2323241161102889
BaseRepresentation
bin1001001111101011101000…
…10001110000000011011110
32122222112100211001112101010
410213311310101300003132
510131041400420203202
6111123253132200050
74165540056310161
oct447656421600336
978875324045333
1020330031022302
116528a10566931
12234411a309026
13b46162a49b11
14503d9b9a1ad8
15253c6dc4a76c
hex127d744700de

20330031022302 has 32 divisors (see below), whose sum is σ = 42445489155840. Its totient is φ = 6479350243520.

The previous prime is 20330031022283. The next prime is 20330031022303. The reversal of 20330031022302 is 20322013003302.

It is a super-2 number, since 2×203300310223022 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330031022303) 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, 30218727 + ... + 30884162.

It is an arithmetic number, because the mean of its divisors is an integer number (1326421536120).

Almost surely, 220330031022302 is an apocalyptic number.

20330031022302 is an abundant number, since it is smaller than the sum of its proper divisors (22115458133538).

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

20330031022302 is a wasteful number, since it uses less digits than its factorization.

20330031022302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61105328.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20330031022302 its reverse (20322013003302), we get a palindrome (40652044025604).

The spelling of 20330031022302 in words is "twenty trillion, three hundred thirty billion, thirty-one million, twenty-two thousand, three hundred two".

Divisors: 1 2 3 6 23 46 69 138 2411 4822 7233 14466 55453 110906 166359 332718 61102889 122205778 183308667 366617334 1405366447 2810732894 4216099341 8432198682 147319065379 294638130758 441957196137 883914392274 3388338503717 6776677007434 10165015511151 20330031022302