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20401113301 is a prime number
BaseRepresentation
bin10011000000000000…
…000100100011010101
31221122210021221020221
4103000000010203111
5313240141111201
613212214354341
71321362413302
oct230000044325
957583257227
1020401113301
118719995418
123b5435b9b1
131c01818b9a
14db769a0a9
157e609e4a1
hex4c00048d5

20401113301 has 2 divisors, whose sum is σ = 20401113302. Its totient is φ = 20401113300.

The previous prime is 20401113281. The next prime is 20401113307. The reversal of 20401113301 is 10331110402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14256121201 + 6144992100 = 119399^2 + 78390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20401113301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20401113307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10200556650 + 10200556651.

It is an arithmetic number, because the mean of its divisors is an integer number (10200556651).

Almost surely, 220401113301 is an apocalyptic number.

It is an amenable number.

20401113301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20401113301 is an equidigital number, since it uses as much as digits as its factorization.

20401113301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20401113301 its reverse (10331110402), we get a palindrome (30732223703).

The spelling of 20401113301 in words is "twenty billion, four hundred one million, one hundred thirteen thousand, three hundred one".