20311153401126 has 32 divisors (see below), whose sum is σ = 49156404871680. Its totient is φ = 5461822763136.

The previous prime is 20311153401061. The next prime is 20311153401179. The reversal of 20311153401126 is 62110435111302.

It is a junction number, because it is equal to n+sod(n) for n = 20311153401093 and 20311153401102.

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, 14223496066 + ... + 14223497493.

It is an arithmetic number, because the mean of its divisors is an integer number (1536137652240).

Almost surely, 2^{20311153401126} is an apocalyptic number.

20311153401126 is an abundant number, since it is smaller than the sum of its proper divisors (28845251470554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20311153401126 is a wasteful number, since it uses less digits than its factorization.

20311153401126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28446993588.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 20311153401126 its reverse (62110435111302), we get a palindrome (82421588512428).

The spelling of 20311153401126 in words is "twenty trillion, three hundred eleven billion, one hundred fifty-three million, four hundred one thousand, one hundred twenty-six".