20343654461530 has 128 divisors (see below), whose sum is σ = 39783880062720. Its totient is φ = 7465869066240.

The previous prime is 20343654461521. The next prime is 20343654461657. The reversal of 20343654461530 is 3516445634302.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 298430650 + ... + 298498810.

It is an arithmetic number, because the mean of its divisors is an integer number (310811562990).

Almost surely, 2^{20343654461530} is an apocalyptic number.

20343654461530 is a deficient number, since it is larger than the sum of its proper divisors (19440225601190).

20343654461530 is a wasteful number, since it uses less digits than its factorization.

20343654461530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68624.

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 20343654461530 in words is "twenty trillion, three hundred forty-three billion, six hundred fifty-four million, four hundred sixty-one thousand, five hundred thirty".