20213301010221 has 24 divisors (see below), whose sum is σ = 31994093005056. Its totient is φ = 12195550535040.

The previous prime is 20213301010051. The next prime is 20213301010241. The reversal of 20213301010221 is 12201010331202.

20213301010221 is a `hidden beast` number, since 202 + 1 + 330 + 10 + 102 + 21 = 666.

It is not a de Polignac number, because 20213301010221 - 2¹³ = 20213301002029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20213301010194 and 20213301010203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213301010241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457768860 + ... + 457813013.

It is an arithmetic number, because the mean of its divisors is an integer number (1333087208544).

Almost surely, 2^{20213301010221} is an apocalyptic number.

It is an amenable number.

20213301010221 is a deficient number, since it is larger than the sum of its proper divisors (11780791994835).

20213301010221 is a wasteful number, since it uses less digits than its factorization.

20213301010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915582113 (or 915582110 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20213301010221 its reverse (12201010331202), we get a palindrome (32414311341423).

The spelling of 20213301010221 in words is "twenty trillion, two hundred thirteen billion, three hundred one million, ten thousand, two hundred twenty-one".