20211023220310 has 16 divisors (see below), whose sum is σ = 39178291165776. Its totient is φ = 7462531650528.

The previous prime is 20211023220281. The next prime is 20211023220347. The reversal of 20211023220310 is 1302232011202.

It is a super-2 number, since 2×20211023220310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77734704564 + ... + 77734704823.

It is an arithmetic number, because the mean of its divisors is an integer number (2448643197861).

Almost surely, 2^{20211023220310} is an apocalyptic number.

20211023220310 is a deficient number, since it is larger than the sum of its proper divisors (18967267945466).

20211023220310 is a wasteful number, since it uses less digits than its factorization.

20211023220310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155469409407.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20211023220310 its reverse (1302232011202), we get a palindrome (21513255231512).

The spelling of 20211023220310 in words is "twenty trillion, two hundred eleven billion, twenty-three million, two hundred twenty thousand, three hundred ten".