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20213202132 = 2233971192749
BaseRepresentation
bin10010110100110011…
…001111110011010100
31221011200201001121000
4102310303033303110
5312344034432012
613141423023300
71313621245314
oct226463176324
957150631530
1020213202132
118632909a32
123b0143ab30
131ba1905146
14d9a743444
157d4831ddc
hex4b4ccfcd4

20213202132 has 48 divisors (see below), whose sum is σ = 52458840000. Its totient is φ = 6730760160.

The previous prime is 20213202091. The next prime is 20213202133. The reversal of 20213202132 is 23120231202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213202133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8494 + ... + 201242.

It is an arithmetic number, because the mean of its divisors is an integer number (1092892500).

Almost surely, 220213202132 is an apocalyptic number.

It is an amenable number.

20213202132 is an abundant number, since it is smaller than the sum of its proper divisors (32245637868).

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

20213202132 is a wasteful number, since it uses less digits than its factorization.

20213202132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193733 (or 193725 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20213202132 its reverse (23120231202), we get a palindrome (43333433334).

The spelling of 20213202132 in words is "twenty billion, two hundred thirteen million, two hundred two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 971 1942 2913 3884 5826 8739 11652 17478 26217 34956 52434 104868 192749 385498 578247 770996 1156494 1734741 2312988 3469482 5204223 6938964 10408446 20816892 187159279 374318558 561477837 748637116 1122955674 1684433511 2245911348 3368867022 5053300533 6737734044 10106601066 20213202132