20122302102 has 64 divisors (see below), whose sum is σ = 47708474880. Its totient is φ = 5538564864.

The previous prime is 20122302071. The next prime is 20122302113. The reversal of 20122302102 is 20120322102.

It is a happy 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, 55524 + ... + 208152.

It is an arithmetic number, because the mean of its divisors is an integer number (745444920).

Almost surely, 2^20122302102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122302102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23854237440).

20122302102 is an abundant number, since it is smaller than the sum of its proper divisors (27586172778).

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

20122302102 is a wasteful number, since it uses less digits than its factorization.

20122302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152757.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20122302102 its reverse (20120322102), we get a palindrome (40242624204).

The spelling of 20122302102 in words is "twenty billion, one hundred twenty-two million, three hundred two thousand, one hundred two".