20355111433741 has 32 divisors (see below), whose sum is σ = 23828821180416. Its totient is φ = 17026407528000.

The previous prime is 20355111433729. The next prime is 20355111433823. The reversal of 20355111433741 is 14733411155302.

It is a cyclic number.

It is not a de Polignac number, because 20355111433741 - 2¹¹ = 20355111431693 is a prime.

It is a super-2 number, since 2×20355111433741² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20355111433694 and 20355111433703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20355111436741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1118956956 + ... + 1118975146.

It is an arithmetic number, because the mean of its divisors is an integer number (744650661888).

Almost surely, 2^{20355111433741} is an apocalyptic number.

It is an amenable number.

20355111433741 is a deficient number, since it is larger than the sum of its proper divisors (3473709746675).

20355111433741 is a wasteful number, since it uses less digits than its factorization.

20355111433741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34233.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 20355111433741 in words is "twenty trillion, three hundred fifty-five billion, one hundred eleven million, four hundred thirty-three thousand, seven hundred forty-one".