20504331413042 has 16 divisors (see below), whose sum is σ = 31748953535232. Its totient is φ = 9921353387760.

The previous prime is 20504331413029. The next prime is 20504331413087. The reversal of 20504331413042 is 24031413340502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4965713 + ... + 8103515.

It is an arithmetic number, because the mean of its divisors is an integer number (1984309595952).

Almost surely, 2^{20504331413042} is an apocalyptic number.

20504331413042 is a deficient number, since it is larger than the sum of its proper divisors (11244622122190).

20504331413042 is a wasteful number, since it uses less digits than its factorization.

20504331413042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243233.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 20504331413042 its reverse (24031413340502), we get a palindrome (44535744753544).

The spelling of 20504331413042 in words is "twenty trillion, five hundred four billion, three hundred thirty-one million, four hundred thirteen thousand, forty-two".