20011232202 has 144 divisors (see below), whose sum is σ = 48054980160. Its totient is φ = 5541279744.

The previous prime is 20011232201. The next prime is 20011232203. The reversal of 20011232202 is 20223211002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20011232201) and next prime (20011232203).

It is not an unprimeable number, because it can be changed into a prime (20011232201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6738574 + ... + 6741542.

It is an arithmetic number, because the mean of its divisors is an integer number (333715140).

Almost surely, 2^20011232202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20011232202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24027490080).

20011232202 is an abundant number, since it is smaller than the sum of its proper divisors (28043747958).

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

20011232202 is a wasteful number, since it uses less digits than its factorization.

20011232202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057 (or 3027 counting only the distinct ones).

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

Adding to 20011232202 its reverse (20223211002), we get a palindrome (40234443204).

The spelling of 20011232202 in words is "twenty billion, eleven million, two hundred thirty-two thousand, two hundred two".