20146603057275 has 24 divisors (see below), whose sum is σ = 33343496268544. Its totient is φ = 10733743389600.

The previous prime is 20146603057237. The next prime is 20146603057291. The reversal of 20146603057275 is 57275030664102.

It is not a de Polignac number, because 20146603057275 - 2¹⁸ = 20146602795131 is a prime.

It is a super-2 number, since 2×20146603057275² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138821671 + ... + 138966720.

Almost surely, 2^{20146603057275} is an apocalyptic number.

20146603057275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20146603057275 is a deficient number, since it is larger than the sum of its proper divisors (13196893211269).

20146603057275 is a wasteful number, since it uses less digits than its factorization.

20146603057275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277789371 (or 277789366 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 20146603057275 in words is "twenty trillion, one hundred forty-six billion, six hundred three million, fifty-seven thousand, two hundred seventy-five".