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20212203032 = 237360932197
BaseRepresentation
bin10010110100101111…
…011011111000011000
31221011121211022002022
4102310233123320120
5312343310444112
613141345354012
71313606614430
oct226457337030
957147738068
1020212203032
11863229732a
123b01038908
131ba1645468
14d9a5632c0
157d46d5d72
hex4b4bdbe18

20212203032 has 16 divisors (see below), whose sum is σ = 43311863760. Its totient is φ = 8662372704.

The previous prime is 20212202987. The next prime is 20212203049. The reversal of 20212203032 is 23030221202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212203032.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 180466043 + ... + 180466154.

It is an arithmetic number, because the mean of its divisors is an integer number (2706991485).

Almost surely, 220212203032 is an apocalyptic number.

It is an amenable number.

20212203032 is an abundant number, since it is smaller than the sum of its proper divisors (23099660728).

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

20212203032 is a wasteful number, since it uses less digits than its factorization.

20212203032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360932210 (or 360932206 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20212203032 its reverse (23030221202), we get a palindrome (43242424234).

The spelling of 20212203032 in words is "twenty billion, two hundred twelve million, two hundred three thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 360932197 721864394 1443728788 2526525379 2887457576 5053050758 10106101516 20212203032