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20301301213 = 172473734007
BaseRepresentation
bin10010111010000011…
…010100010111011101
31221101211110221210221
4102322003110113131
5313034113114323
613154251201341
71316041133044
oct227203242735
957354427727
1020301301213
118678612096
123b26a46251
131bb6c3ca8b
14da831755b
157dc43555d
hex4ba0d45dd

20301301213 has 24 divisors (see below), whose sum is σ = 22089146112. Its totient is φ = 18645782784.

The previous prime is 20301301183. The next prime is 20301301217. The reversal of 20301301213 is 31210310302.

It is not a de Polignac number, because 20301301213 - 221 = 20299204061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301301217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5064456 + ... + 5068462.

It is an arithmetic number, because the mean of its divisors is an integer number (920381088).

Almost surely, 220301301213 is an apocalyptic number.

It is an amenable number.

20301301213 is a deficient number, since it is larger than the sum of its proper divisors (1787844899).

20301301213 is a wasteful number, since it uses less digits than its factorization.

20301301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461 (or 4444 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20301301213 its reverse (31210310302), we get a palindrome (51511611515).

The spelling of 20301301213 in words is "twenty billion, three hundred one million, three hundred one thousand, two hundred thirteen".

Divisors: 1 17 47 289 373 799 4007 6341 13583 17531 68119 107797 188329 298027 1158023 1494611 3201593 5066459 25408387 54427081 70246717 431942579 1194194189 20301301213