20213312030 has 16 divisors (see below), whose sum is σ = 36406631520. Its totient is φ = 8080287072.

The previous prime is 20213312027. The next prime is 20213312039. The reversal of 20213312030 is 3021331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213312039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612845 + ... + 644984.

It is an arithmetic number, because the mean of its divisors is an integer number (2275414470).

Almost surely, 2^20213312030 is an apocalyptic number.

20213312030 is a deficient number, since it is larger than the sum of its proper divisors (16193319490).

20213312030 is a wasteful number, since it uses less digits than its factorization.

20213312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259443.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20213312030 its reverse (3021331202), we get a palindrome (23234643232).

The spelling of 20213312030 in words is "twenty billion, two hundred thirteen million, three hundred twelve thousand, thirty".