20321101302133 has 16 divisors (see below), whose sum is σ = 21889036173312. Its totient is φ = 18810222750000.

The previous prime is 20321101302121. The next prime is 20321101302143. The reversal of 20321101302133 is 33120310112302.

It is a cyclic number.

It is not a de Polignac number, because 20321101302133 - 2²¹ = 20321099204981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321101302143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45832758 + ... + 46274008.

It is an arithmetic number, because the mean of its divisors is an integer number (1368064760832).

Almost surely, 2^{20321101302133} is an apocalyptic number.

20321101302133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20321101302133 is a deficient number, since it is larger than the sum of its proper divisors (1567934871179).

20321101302133 is a wasteful number, since it uses less digits than its factorization.

20321101302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505896.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20321101302133 its reverse (33120310112302), we get a palindrome (53441411414435).

The spelling of 20321101302133 in words is "twenty trillion, three hundred twenty-one billion, one hundred one million, three hundred two thousand, one hundred thirty-three".