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20216295348 = 2231799099487
BaseRepresentation
bin10010110100111111…
…000010111110110100
31221011220112012200120
4102310333002332310
5312400332422343
613142013211540
71313656450404
oct226477027664
957156465616
1020216295348
118634631a07
123b02490bb0
131ba2449052
14d9ad0a804
157d4c43683
hex4b4fc2fb4

20216295348 has 24 divisors (see below), whose sum is σ = 49946141952. Its totient is φ = 6342367104.

The previous prime is 20216295343. The next prime is 20216295371. The reversal of 20216295348 is 84359261202.

It is a super-2 number, since 2×202162953482 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20216295343) 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, 49549540 + ... + 49549947.

It is an arithmetic number, because the mean of its divisors is an integer number (2081089248).

Almost surely, 220216295348 is an apocalyptic number.

It is an amenable number.

20216295348 is an abundant number, since it is smaller than the sum of its proper divisors (29729846604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20216295348 is a wasteful number, since it uses less digits than its factorization.

20216295348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99099511 (or 99099509 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 20216295348 in words is "twenty billion, two hundred sixteen million, two hundred ninety-five thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 99099487 198198974 297298461 396397948 594596922 1189193844 1684691279 3369382558 5054073837 6738765116 10108147674 20216295348