20122311030 has 32 divisors (see below), whose sum is σ = 48495628800. Its totient is φ = 5343496032.

The previous prime is 20122310849. The next prime is 20122311031. The reversal of 20122311030 is 3011322102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122311031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396060 + ... + 1410399.

It is an arithmetic number, because the mean of its divisors is an integer number (1515488400).

Almost surely, 2^20122311030 is an apocalyptic number.

20122311030 is an abundant number, since it is smaller than the sum of its proper divisors (28373317770).

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

20122311030 is a wasteful number, since it uses less digits than its factorization.

20122311030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806708.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20122311030 its reverse (3011322102), we get a palindrome (23133633132).

The spelling of 20122311030 in words is "twenty billion, one hundred twenty-two million, three hundred eleven thousand, thirty".