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20224212501 = 323293104529
BaseRepresentation
bin10010110101011101…
…001111111000010101
31221012110102102222110
4102311131033320111
5312404344300001
613142455021233
71314113653443
oct226535177025
957173372873
1020224212501
11863904a209
123b0506a819
131ba3c8b85c
14d9bdabb93
157d57a93d6
hex4b574fe15

20224212501 has 8 divisors (see below), whose sum is σ = 28138034880. Its totient is φ = 12896599232.

The previous prime is 20224212499. The next prime is 20224212509. The reversal of 20224212501 is 10521242202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20224212501 - 21 = 20224212499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224212509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146552196 + ... + 146552333.

It is an arithmetic number, because the mean of its divisors is an integer number (3517254360).

Almost surely, 220224212501 is an apocalyptic number.

It is an amenable number.

20224212501 is a deficient number, since it is larger than the sum of its proper divisors (7913822379).

20224212501 is a wasteful number, since it uses less digits than its factorization.

20224212501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293104555.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 20224212501 its reverse (10521242202), we get a palindrome (30745454703).

The spelling of 20224212501 in words is "twenty billion, two hundred twenty-four million, two hundred twelve thousand, five hundred one".

Divisors: 1 3 23 69 293104529 879313587 6741404167 20224212501