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20401401010 = 253165810971
BaseRepresentation
bin10011000000000001…
…001010110010110010
31221122210211112220211
4103000001022302302
5313240224313020
613212224454334
71321365022144
oct230001126262
957583745824
1020401401010
11871a0715a1
123b5447a3aa
131c018b9b23
14db7732c94
157e610985a
hex4c004acb2

20401401010 has 16 divisors (see below), whose sum is σ = 37907119872. Its totient is φ = 7897316400.

The previous prime is 20401401001. The next prime is 20401401019. The reversal of 20401401010 is 1010410402.

It is an interprime number because it is at equal distance from previous prime (20401401001) and next prime (20401401019).

It is not an unprimeable number, because it can be changed into a prime (20401401019) 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, 32905176 + ... + 32905795.

It is an arithmetic number, because the mean of its divisors is an integer number (2369194992).

Almost surely, 220401401010 is an apocalyptic number.

20401401010 is a deficient number, since it is larger than the sum of its proper divisors (17505718862).

20401401010 is a wasteful number, since it uses less digits than its factorization.

20401401010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65811009.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20401401010 its reverse (1010410402), we get a palindrome (21411811412).

The spelling of 20401401010 in words is "twenty billion, four hundred one million, four hundred one thousand, ten".

Divisors: 1 2 5 10 31 62 155 310 65810971 131621942 329054855 658109710 2040140101 4080280202 10200700505 20401401010