20061726386 has 16 divisors (see below), whose sum is σ = 32427269784. Its totient is φ = 9253582464.

The previous prime is 20061726361. The next prime is 20061726397. The reversal of 20061726386 is 68362716002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9448812025 + 10612914361 = 97205^2 + 103019^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193115 + ... + 278238.

Almost surely, 2^20061726386 is an apocalyptic number.

20061726386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20061726386 is a deficient number, since it is larger than the sum of its proper divisors (12365543398).

20061726386 is a wasteful number, since it uses less digits than its factorization.

20061726386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473005.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 20061726386 in words is "twenty billion, sixty-one million, seven hundred twenty-six thousand, three hundred eighty-six".