20011022120302 has 4 divisors (see below), whose sum is σ = 30016533180456. Its totient is φ = 10005511060150.

The previous prime is 20011022120281. The next prime is 20011022120303. The reversal of 20011022120302 is 20302122011002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011022120303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002755530074 + ... + 5002755530077.

It is an arithmetic number, because the mean of its divisors is an integer number (7504133295114).

Almost surely, 2^{20011022120302} is an apocalyptic number.

20011022120302 is a deficient number, since it is larger than the sum of its proper divisors (10005511060154).

20011022120302 is a wasteful number, since it uses less digits than its factorization.

20011022120302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005511060153.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20011022120302 its reverse (20302122011002), we get a palindrome (40313144131304).

The spelling of 20011022120302 in words is "twenty trillion, eleven billion, twenty-two million, one hundred twenty thousand, three hundred two".