20100222332 has 6 divisors (see below), whose sum is σ = 35175389088. Its totient is φ = 10050111164.

The previous prime is 20100222319. The next prime is 20100222343. The reversal of 20100222332 is 23322200102.

It is a self number, because there is not a number n which added to its sum of digits gives 20100222332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2512527788 + ... + 2512527795.

It is an arithmetic number, because the mean of its divisors is an integer number (5862564848).

Almost surely, 2^20100222332 is an apocalyptic number.

It is an amenable number.

20100222332 is a deficient number, since it is larger than the sum of its proper divisors (15075166756).

20100222332 is a wasteful number, since it uses less digits than its factorization.

20100222332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025055587 (or 5025055585 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20100222332 its reverse (23322200102), we get a palindrome (43422422434).

The spelling of 20100222332 in words is "twenty billion, one hundred million, two hundred twenty-two thousand, three hundred thirty-two".