21320011202 has 64 divisors (see below), whose sum is σ = 39772871424. Its totient is φ = 8362690560.

The previous prime is 21320011201. The next prime is 21320011217. The reversal of 21320011202 is 20211002312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (21320011201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2380052 + ... + 2388992.

It is an arithmetic number, because the mean of its divisors is an integer number (621451116).

Almost surely, 2^21320011202 is an apocalyptic number.

21320011202 is a deficient number, since it is larger than the sum of its proper divisors (18452860222).

21320011202 is a wasteful number, since it uses less digits than its factorization.

21320011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243.

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

Adding to 21320011202 its reverse (20211002312), we get a palindrome (41531013514).

The spelling of 21320011202 in words is "twenty-one billion, three hundred twenty million, eleven thousand, two hundred two".