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20825937001 is a prime number
BaseRepresentation
bin10011011001010100…
…101001010001101001
31222202101200012211001
4103121110221101221
5320122414441001
613322312035001
71335041354332
oct233124512151
958671605731
1020825937001
118917775791
124052692a61
131c6b83c35c
141017c83289
1581d518001
hex4d9529469

20825937001 has 2 divisors, whose sum is σ = 20825937002. Its totient is φ = 20825937000.

The previous prime is 20825936959. The next prime is 20825937019. The reversal of 20825937001 is 10073952802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20578189401 + 247747600 = 143451^2 + 15740^2 .

It is a cyclic number.

It is not a de Polignac number, because 20825937001 - 227 = 20691719273 is a prime.

It is not a weakly prime, because it can be changed into another prime (20825937061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10412968500 + 10412968501.

It is an arithmetic number, because the mean of its divisors is an integer number (10412968501).

Almost surely, 220825937001 is an apocalyptic number.

It is an amenable number.

20825937001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20825937001 is an equidigital number, since it uses as much as digits as its factorization.

20825937001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 20825937001 in words is "twenty billion, eight hundred twenty-five million, nine hundred thirty-seven thousand, one".