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20010321201 = 3134311932213
BaseRepresentation
bin10010101000101101…
…010100010100110001
31220122112221122021110
4102220231110110301
5311440120234301
613105334343533
71305605631603
oct225055242461
956575848243
1020010321201
118539339542
123a654baba9
131b6b87c760
14d7b811173
157c1b090d6
hex4a8b54531

20010321201 has 16 divisors (see below), whose sum is σ = 29400975296. Its totient is φ = 12027669696.

The previous prime is 20010321179. The next prime is 20010321217. The reversal of 20010321201 is 10212301002.

It is not a de Polignac number, because 20010321201 - 214 = 20010304817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010321251) 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, 5964430 + ... + 5967783.

It is an arithmetic number, because the mean of its divisors is an integer number (1837560956).

Almost surely, 220010321201 is an apocalyptic number.

It is an amenable number.

20010321201 is a deficient number, since it is larger than the sum of its proper divisors (9390654095).

20010321201 is a wasteful number, since it uses less digits than its factorization.

20010321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11932272.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20010321201 its reverse (10212301002), we get a palindrome (30222622203).

The spelling of 20010321201 in words is "twenty billion, ten million, three hundred twenty-one thousand, two hundred one".

Divisors: 1 3 13 39 43 129 559 1677 11932213 35796639 155118769 465356307 513085159 1539255477 6670107067 20010321201