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20403412201 = 373734913011
BaseRepresentation
bin10011000000001000…
…110101110011101001
31221122221121201202101
4103000020311303221
5313241233142301
613212335533401
71321421066524
oct230010656351
957587551671
1020403412201
118720215637
123b5508a261
131c02142393
14db7ad7bbb
157e63a5701
hex4c0235ce9

20403412201 has 16 divisors (see below), whose sum is σ = 21060819648. Its totient is φ = 19751860800.

The previous prime is 20403412199. The next prime is 20403412301. The reversal of 20403412201 is 10221430402.

It is a cyclic number.

It is not a de Polignac number, because 20403412201 - 21 = 20403412199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20403412301) 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, 6774786 + ... + 6777796.

It is an arithmetic number, because the mean of its divisors is an integer number (1316301228).

Almost surely, 220403412201 is an apocalyptic number.

It is an amenable number.

20403412201 is a deficient number, since it is larger than the sum of its proper divisors (657407447).

20403412201 is a wasteful number, since it uses less digits than its factorization.

20403412201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20403412201 its reverse (10221430402), we get a palindrome (30624842603).

The spelling of 20403412201 in words is "twenty billion, four hundred three million, four hundred twelve thousand, two hundred one".

Divisors: 1 37 373 491 3011 13801 18167 111407 183143 1123103 1478401 6776291 41554811 54700837 551443573 20403412201