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20103333321 = 337541334771
BaseRepresentation
bin10010101110010000…
…001000010111001001
31220220000222010220210
4102232100020113021
5312132423131241
613122500111333
71311115341141
oct225620102711
956800863823
1020103333321
118586897965
123a90695549
131b84c17706
14d89d03921
157c9d7d316
hex4ae4085c9

20103333321 has 16 divisors (see below), whose sum is σ = 27579856448. Its totient is φ = 13015857600.

The previous prime is 20103333227. The next prime is 20103333329. The reversal of 20103333321 is 12333330102.

It is not a de Polignac number, because 20103333321 - 210 = 20103332297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103333329) 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, 107335 + ... + 227436.

It is an arithmetic number, because the mean of its divisors is an integer number (1723741028).

Almost surely, 220103333321 is an apocalyptic number.

It is an amenable number.

20103333321 is a deficient number, since it is larger than the sum of its proper divisors (7476523127).

20103333321 is a wasteful number, since it uses less digits than its factorization.

20103333321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335352.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20103333321 its reverse (12333330102), we get a palindrome (32436663423).

The spelling of 20103333321 in words is "twenty billion, one hundred three million, three hundred thirty-three thousand, three hundred twenty-one".

Divisors: 1 3 37 111 541 1623 20017 60051 334771 1004313 12386527 37159581 181111111 543333333 6701111107 20103333321