20213140310 has 64 divisors (see below), whose sum is σ = 41809029120. Its totient is φ = 6958586880.

The previous prime is 20213140279. The next prime is 20213140327. The reversal of 20213140310 is 1304131202.

It is a super-2 number, since 2×20213140310² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4476614 + ... + 4481126.

It is an arithmetic number, because the mean of its divisors is an integer number (653266080).

Almost surely, 2^20213140310 is an apocalyptic number.

20213140310 is an abundant number, since it is smaller than the sum of its proper divisors (21595888810).

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

20213140310 is a wasteful number, since it uses less digits than its factorization.

20213140310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20213140310 its reverse (1304131202), we get a palindrome (21517271512).

The spelling of 20213140310 in words is "twenty billion, two hundred thirteen million, one hundred forty thousand, three hundred ten".