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20077026 = 2331107941
BaseRepresentation
bin100110010010…
…1100111100010
31101210000111120
41030211213202
520114431101
61554153110
7332436414
oct114454742
941700446
1020077026
1110373192
126882796
13420c4c8
1429489b4
151b68b36
hex13259e2

20077026 has 16 divisors (see below), whose sum is σ = 41449728. Its totient is φ = 6476400.

The previous prime is 20077009. The next prime is 20077027. The reversal of 20077026 is 62077002.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20076987 and 20077005.

It is not an unprimeable number, because it can be changed into a prime (20077027) 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, 53785 + ... + 54156.

It is an arithmetic number, because the mean of its divisors is an integer number (2590608).

Almost surely, 220077026 is an apocalyptic number.

20077026 is an abundant number, since it is smaller than the sum of its proper divisors (21372702).

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

20077026 is a wasteful number, since it uses less digits than its factorization.

20077026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107977.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 20077026 is about 4480.7394479037. The cubic root of 20077026 is about 271.7897831483.

Subtracting from 20077026 its sum of digits (24), we obtain a palindrome (20077002).

The spelling of 20077026 in words is "twenty million, seventy-seven thousand, twenty-six".

Divisors: 1 2 3 6 31 62 93 186 107941 215882 323823 647646 3346171 6692342 10038513 20077026