20212021310 has 96 divisors (see below), whose sum is σ = 41789557152. Its totient is φ = 6995404800.

The previous prime is 20212021283. The next prime is 20212021331. The reversal of 20212021310 is 1312021202.

It is a happy number.

It is a super-2 number, since 2×20212021310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10631360 + ... + 10633260.

It is an arithmetic number, because the mean of its divisors is an integer number (435307887).

Almost surely, 2^20212021310 is an apocalyptic number.

20212021310 is an abundant number, since it is smaller than the sum of its proper divisors (21577535842).

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

20212021310 is a wasteful number, since it uses less digits than its factorization.

20212021310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20212021310 its reverse (1312021202), we get a palindrome (21524042512).

The spelling of 20212021310 in words is "twenty billion, two hundred twelve million, twenty-one thousand, three hundred ten".