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20203343124 = 2231683611927
BaseRepresentation
bin10010110100001101…
…101000110100010100
31221011000011011120120
4102310031220310110
5312334023434444
613140431431540
71313441403666
oct226415506424
957130134516
1020203343124
118628295798
123aba0855b0
131b9c862803
14d992d8536
157d3a35b19
hex4b4368d14

20203343124 has 12 divisors (see below), whose sum is σ = 47141133984. Its totient is φ = 6734447704.

The previous prime is 20203343119. The next prime is 20203343161. The reversal of 20203343124 is 42134330202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20203343094 and 20203343103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841805952 + ... + 841805975.

It is an arithmetic number, because the mean of its divisors is an integer number (3928427832).

Almost surely, 220203343124 is an apocalyptic number.

It is an amenable number.

20203343124 is an abundant number, since it is smaller than the sum of its proper divisors (26937790860).

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

20203343124 is a wasteful number, since it uses less digits than its factorization.

20203343124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683611934 (or 1683611932 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20203343124 its reverse (42134330202), we get a palindrome (62337673326).

The spelling of 20203343124 in words is "twenty billion, two hundred three million, three hundred forty-three thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 1683611927 3367223854 5050835781 6734447708 10101671562 20203343124