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123232022020 = 2256161601101
BaseRepresentation
bin111001011000100110…
…0110110111000000100
3102210002020210100012201
41302301030312320010
54004334344201040
6132340105524244
711621542622062
oct1626114667004
9383066710181
10123232022020
114829829a0a8
121ba721a3684
13b80b988333
145d706a9032
153313acba9a
hex1cb1336e04

123232022020 has 12 divisors (see below), whose sum is σ = 258787246284. Its totient is φ = 49292808800.

The previous prime is 123232021999. The next prime is 123232022047. The reversal of 123232022020 is 20220232321.

It can be written as a sum of positive squares in 2 ways, for example, as 77043994624 + 46188027396 = 277568^2 + 214914^2 .

It is a super-2 number, since 2×1232320220202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3080800531 + ... + 3080800570.

It is an arithmetic number, because the mean of its divisors is an integer number (21565603857).

Almost surely, 2123232022020 is an apocalyptic number.

123232022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123232022020 is an abundant number, since it is smaller than the sum of its proper divisors (135555224264).

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

123232022020 is a wasteful number, since it uses less digits than its factorization.

123232022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161601110 (or 6161601108 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 123232022020 its reverse (20220232321), we get a palindrome (143452254341).

The spelling of 123232022020 in words is "one hundred twenty-three billion, two hundred thirty-two million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 6161601101 12323202202 24646404404 30808005505 61616011010 123232022020