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20722001102 = 211941909141
BaseRepresentation
bin10011010011001000…
…001010010011001110
31222111011002201120022
4103103020022103032
5314414313013402
613304120222142
71332340050245
oct232310122316
958434081508
1020722001102
118874036150
12402390a952
131c5314b21a
14100814995c
158143372a2
hex4d320a4ce

20722001102 has 8 divisors (see below), whose sum is σ = 33908729112. Its totient is φ = 9419091400.

The previous prime is 20722001093. The next prime is 20722001107. The reversal of 20722001102 is 20110022702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20722001107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470954549 + ... + 470954592.

It is an arithmetic number, because the mean of its divisors is an integer number (4238591139).

Almost surely, 220722001102 is an apocalyptic number.

20722001102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20722001102 is a deficient number, since it is larger than the sum of its proper divisors (13186728010).

20722001102 is a wasteful number, since it uses less digits than its factorization.

20722001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941909154.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 20722001102 its reverse (20110022702), we get a palindrome (40832023804).

The spelling of 20722001102 in words is "twenty billion, seven hundred twenty-two million, one thousand, one hundred two".

Divisors: 1 2 11 22 941909141 1883818282 10361000551 20722001102