20415520411126 has 4 divisors (see below), whose sum is σ = 30623280616692. Its totient is φ = 10207760205562.

The previous prime is 20415520411123. The next prime is 20415520411159. The reversal of 20415520411126 is 62111402551402.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20415520411091 and 20415520411100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415520411123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5103880102780 + ... + 5103880102783.

It is an arithmetic number, because the mean of its divisors is an integer number (7655820154173).

Almost surely, 2^{20415520411126} is an apocalyptic number.

20415520411126 is a deficient number, since it is larger than the sum of its proper divisors (10207760205566).

20415520411126 is a wasteful number, since it uses less digits than its factorization.

20415520411126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10207760205565.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 20415520411126 its reverse (62111402551402), we get a palindrome (82526922962528).

The spelling of 20415520411126 in words is "twenty trillion, four hundred fifteen billion, five hundred twenty million, four hundred eleven thousand, one hundred twenty-six".