20411331353642 has 16 divisors (see below), whose sum is σ = 30745712712960. Its totient is φ = 10162797234672.

The previous prime is 20411331353593. The next prime is 20411331353717. The reversal of 20411331353642 is 24635313311402.

It is a junction number, because it is equal to n+sod(n) for n = 20411331353596 and 20411331353605.

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, 8085278 + ... + 10305065.

It is an arithmetic number, because the mean of its divisors is an integer number (1921607044560).

Almost surely, 2^{20411331353642} is an apocalyptic number.

20411331353642 is a deficient number, since it is larger than the sum of its proper divisors (10334381359318).

20411331353642 is a wasteful number, since it uses less digits than its factorization.

20411331353642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18392677.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 20411331353642 in words is "twenty trillion, four hundred eleven billion, three hundred thirty-one million, three hundred fifty-three thousand, six hundred forty-two".