105305020402 has 16 divisors (see below), whose sum is σ = 163122810624. Its totient is φ = 50932206000.

The previous prime is 105305020363. The next prime is 105305020423. The reversal of 105305020402 is 204020503501.

It is a super-2 number, since 2×105305020402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217624 + ... + 507907.

It is an arithmetic number, because the mean of its divisors is an integer number (10195175664).

Almost surely, 2^105305020402 is an apocalyptic number.

105305020402 is a deficient number, since it is larger than the sum of its proper divisors (57817790222).

105305020402 is a wasteful number, since it uses less digits than its factorization.

105305020402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727905.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 105305020402 its reverse (204020503501), we get a palindrome (309325523903).

The spelling of 105305020402 in words is "one hundred five billion, three hundred five million, twenty thousand, four hundred two".