20313132536146 has 32 divisors (see below), whose sum is σ = 32383773432000. Its totient is φ = 9537916151232.

The previous prime is 20313132536131. The next prime is 20313132536153. The reversal of 20313132536146 is 64163523131302.

It is a junction number, because it is equal to n+sod(n) for n = 20313132536099 and 20313132536108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4370685 + ... + 7728463.

It is an arithmetic number, because the mean of its divisors is an integer number (1011992919750).

Almost surely, 2^{20313132536146} is an apocalyptic number.

20313132536146 is a deficient number, since it is larger than the sum of its proper divisors (12070640895854).

20313132536146 is a wasteful number, since it uses less digits than its factorization.

20313132536146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360666.

The product of its (nonzero) digits is 233280, while the sum is 40.

Adding to 20313132536146 its reverse (64163523131302), we get a palindrome (84476655667448).

The spelling of 20313132536146 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-two million, five hundred thirty-six thousand, one hundred forty-six".