Search a number
-
+
20260363025 = 5271734671433
BaseRepresentation
bin10010110111100111…
…001001101100010001
31221021222110002011202
4102313213021230101
5312443123104100
613150225520545
71315033146530
oct226747115421
957258402152
1020260363025
1186574a0681
123b151a3155
131bab6081b6
14da2adc317
157d8a4a7d5
hex4b79c9b11

20260363025 has 48 divisors (see below), whose sum is σ = 28959825024. Its totient is φ = 13773319680.

The previous prime is 20260362979. The next prime is 20260363033. The reversal of 20260363025 is 52036306202.

It is not a de Polignac number, because 20260363025 - 26 = 20260362961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14137709 + ... + 14139141.

It is an arithmetic number, because the mean of its divisors is an integer number (603329688).

Almost surely, 220260363025 is an apocalyptic number.

20260363025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20260363025 is a deficient number, since it is larger than the sum of its proper divisors (8699461999).

20260363025 is a wasteful number, since it uses less digits than its factorization.

20260363025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20260363025 its reverse (52036306202), we get a palindrome (72296669227).

The spelling of 20260363025 in words is "twenty billion, two hundred sixty million, three hundred sixty-three thousand, twenty-five".

Divisors: 1 5 7 25 35 173 175 467 865 1211 1433 2335 3269 4325 6055 7165 10031 11675 16345 30275 35825 50155 80791 81725 247909 250775 403955 565537 669211 1239545 1735363 2019775 2827685 3346055 4684477 6197725 8676815 14138425 16730275 23422385 43384075 115773503 117111925 578867515 810414521 2894337575 4052072605 20260363025