20021837016741 has 12 divisors (see below), whose sum is σ = 31054277822112. Its totient is φ = 11441049723768.

The previous prime is 20021837016719. The next prime is 20021837016743. The reversal of 20021837016741 is 14761073812002.

It is not a de Polignac number, because 20021837016741 - 2⁷ = 20021837016613 is a prime.

It is a super-2 number, since 2×20021837016741² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20021837016693 and 20021837016702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021837016743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68101486305 + ... + 68101486598.

It is an arithmetic number, because the mean of its divisors is an integer number (2587856485176).

Almost surely, 2^{20021837016741} is an apocalyptic number.

20021837016741 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20021837016741 is a deficient number, since it is larger than the sum of its proper divisors (11032440805371).

20021837016741 is a wasteful number, since it uses less digits than its factorization.

20021837016741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136202972920 (or 136202972913 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 20021837016741 in words is "twenty trillion, twenty-one billion, eight hundred thirty-seven million, sixteen thousand, seven hundred forty-one".