20513125341022 has 32 divisors (see below), whose sum is σ = 31868594256384. Its totient is φ = 9897136048800.

The previous prime is 20513125341011. The next prime is 20513125341061. The reversal of 20513125341022 is 22014352131502.

It is a happy number.

It is a super-2 number, since 2×20513125341022² (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 15 ways as a sum of consecutive naturals, for example, 2192647 + ... + 6770077.

It is an arithmetic number, because the mean of its divisors is an integer number (995893570512).

Almost surely, 2^{20513125341022} is an apocalyptic number.

20513125341022 is a deficient number, since it is larger than the sum of its proper divisors (11355468915362).

20513125341022 is a wasteful number, since it uses less digits than its factorization.

20513125341022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578184.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 20513125341022 its reverse (22014352131502), we get a palindrome (42527477472524).

The spelling of 20513125341022 in words is "twenty trillion, five hundred thirteen billion, one hundred twenty-five million, three hundred forty-one thousand, twenty-two".