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20200012101 = 3237186732491
BaseRepresentation
bin10010110100000000…
…111011100101000101
31221010202212221021100
4102310000323211011
5312332200341401
613140232210313
71313401161363
oct226400734505
957122787240
1020200012101
118626420085
123ab8b39999
131b9bc675a9
14d98aac633
157d35c8b86
hex4b403b945

20200012101 has 24 divisors (see below), whose sum is σ = 29983357664. Its totient is φ = 13095289440.

The previous prime is 20200012093. The next prime is 20200012109. The reversal of 20200012101 is 10121000202.

It is an interprime number because it is at equal distance from previous prime (20200012093) and next prime (20200012109).

It is not a de Polignac number, because 20200012101 - 23 = 20200012093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200012109) 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, 605466 + ... + 637956.

Almost surely, 220200012101 is an apocalyptic number.

It is an amenable number.

20200012101 is a deficient number, since it is larger than the sum of its proper divisors (9783345563).

20200012101 is a wasteful number, since it uses less digits than its factorization.

20200012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34401 (or 34398 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20200012101 its reverse (10121000202), we get a palindrome (30321012303).

The spelling of 20200012101 in words is "twenty billion, two hundred million, twelve thousand, one hundred one".

Divisors: 1 3 9 37 111 333 1867 5601 16803 32491 69079 97473 207237 292419 621711 1202167 3606501 10819503 60660697 181982091 545946273 2244445789 6733337367 20200012101