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20443001020124 = 2217300632367943
BaseRepresentation
bin1001010010111110000011…
…10100000101111011011100
32200101022221220001000211112
410221133001310011323130
510134414231230120444
6111251215055241152
74206646423405334
oct451370164057334
980338856030745
1020443001020124
1165719121452a1
122361ba78191b8
13b539c7655287
145096373bc0c4
15256b8195c69e
hex1297c1d05edc

20443001020124 has 12 divisors (see below), whose sum is σ = 37879678360944. Its totient is φ = 9620235774144.

The previous prime is 20443001020121. The next prime is 20443001020157. The reversal of 20443001020124 is 42102010034402.

It is a self number, because there is not a number n which added to its sum of digits gives 20443001020124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443001020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150316183904 + ... + 150316184039.

It is an arithmetic number, because the mean of its divisors is an integer number (3156639863412).

Almost surely, 220443001020124 is an apocalyptic number.

It is an amenable number.

20443001020124 is a deficient number, since it is larger than the sum of its proper divisors (17436677340820).

20443001020124 is a wasteful number, since it uses less digits than its factorization.

20443001020124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300632367964 (or 300632367962 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20443001020124 its reverse (42102010034402), we get a palindrome (62545011054526).

The spelling of 20443001020124 in words is "twenty trillion, four hundred forty-three billion, one million, twenty thousand, one hundred twenty-four".

Divisors: 1 2 4 17 34 68 300632367943 601264735886 1202529471772 5110750255031 10221500510062 20443001020124