20313533152634 has 64 divisors (see below), whose sum is σ = 31445452800000. Its totient is φ = 9838977797376.

The previous prime is 20313533152589. The next prime is 20313533152657. The reversal of 20313533152634 is 43625133531302.

It is a super-2 number, since 2×20313533152634² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20313533152591 and 20313533152600.

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, 684657152 + ... + 684686820.

It is an arithmetic number, because the mean of its divisors is an integer number (491335200000).

Almost surely, 2^{20313533152634} is an apocalyptic number.

20313533152634 is a deficient number, since it is larger than the sum of its proper divisors (11131919647366).

20313533152634 is a wasteful number, since it uses less digits than its factorization.

20313533152634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30255.

The product of its (nonzero) digits is 583200, while the sum is 41.

Adding to 20313533152634 its reverse (43625133531302), we get a palindrome (63938666683936).

The spelling of 20313533152634 in words is "twenty trillion, three hundred thirteen billion, five hundred thirty-three million, one hundred fifty-two thousand, six hundred thirty-four".