20011213010310 has 16 divisors (see below), whose sum is σ = 48026911224816. Its totient is φ = 5336323469408.

The previous prime is 20011213010287. The next prime is 20011213010359. The reversal of 20011213010310 is 1301031211002.

It is a happy number.

It is a super-2 number, since 2×20011213010310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20011213010310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333520216809 + ... + 333520216868.

It is an arithmetic number, because the mean of its divisors is an integer number (3001681951551).

Almost surely, 2^{20011213010310} is an apocalyptic number.

20011213010310 is an abundant number, since it is smaller than the sum of its proper divisors (28015698214506).

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

20011213010310 is a wasteful number, since it uses less digits than its factorization.

20011213010310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667040433687.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20011213010310 its reverse (1301031211002), we get a palindrome (21312244221312).

The spelling of 20011213010310 in words is "twenty trillion, eleven billion, two hundred thirteen million, ten thousand, three hundred ten".