20146154453535 has 32 divisors (see below), whose sum is σ = 35171807846400. Its totient is φ = 9765718300800.

The previous prime is 20146154453489. The next prime is 20146154453563. The reversal of 20146154453535 is 53535445164102.

It is a happy number.

It is not a de Polignac number, because 20146154453535 - 2⁹ = 20146154453023 is a prime.

It is a super-2 number, since 2×20146154453535² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12448735 + ... + 13973664.

It is an arithmetic number, because the mean of its divisors is an integer number (1099118995200).

Almost surely, 2^{20146154453535} is an apocalyptic number.

20146154453535 is a deficient number, since it is larger than the sum of its proper divisors (15025653392865).

20146154453535 is a wasteful number, since it uses less digits than its factorization.

20146154453535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26427039.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 20146154453535 in words is "twenty trillion, one hundred forty-six billion, one hundred fifty-four million, four hundred fifty-three thousand, five hundred thirty-five".