20415506633126 has 32 divisors (see below), whose sum is σ = 33603433033248. Its totient is φ = 9225274544640.

The previous prime is 20415506633087. The next prime is 20415506633129. The reversal of 20415506633126 is 62133660551402.

It is a super-2 number, since 2×20415506633126² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415506633129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41457566 + ... + 41947118.

It is an arithmetic number, because the mean of its divisors is an integer number (1050107282289).

Almost surely, 2^{20415506633126} is an apocalyptic number.

20415506633126 is a deficient number, since it is larger than the sum of its proper divisors (13187926400122).

20415506633126 is a wasteful number, since it uses less digits than its factorization.

20415506633126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500696.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 20415506633126 in words is "twenty trillion, four hundred fifteen billion, five hundred six million, six hundred thirty-three thousand, one hundred twenty-six".