20213001031320 has 48 divisors (see below), whose sum is σ = 65692253352960. Its totient is φ = 5390133608256.

The previous prime is 20213001031217. The next prime is 20213001031427. The reversal of 20213001031320 is 2313010031202.

20213001031320 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 300 + 10 + 31 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20213001031293 and 20213001031302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28073612184 + ... + 28073612903.

It is an arithmetic number, because the mean of its divisors is an integer number (1368588611520).

Almost surely, 2^{20213001031320} is an apocalyptic number.

20213001031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20213001031320 is an abundant number, since it is smaller than the sum of its proper divisors (45479252321640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20213001031320 is a wasteful number, since it uses less digits than its factorization.

20213001031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56147225104 (or 56147225097 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20213001031320 its reverse (2313010031202), we get a palindrome (22526011062522).

The spelling of 20213001031320 in words is "twenty trillion, two hundred thirteen billion, one million, thirty-one thousand, three hundred twenty".