20101231202 has 32 divisors (see below), whose sum is σ = 33901338240. Its totient is φ = 8869322880.

The previous prime is 20101231169. The next prime is 20101231211. The reversal of 20101231202 is 20213210102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241177 + ... + 1257267.

It is an arithmetic number, because the mean of its divisors is an integer number (1059416820).

Almost surely, 2^20101231202 is an apocalyptic number.

20101231202 is a deficient number, since it is larger than the sum of its proper divisors (13800107038).

20101231202 is a wasteful number, since it uses less digits than its factorization.

20101231202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18218.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20101231202 its reverse (20213210102), we get a palindrome (40314441304).

The spelling of 20101231202 in words is "twenty billion, one hundred one million, two hundred thirty-one thousand, two hundred two".