102220020010 has 32 divisors (see below), whose sum is σ = 185458684752. Its totient is φ = 40563793920.

The previous prime is 102220019999. The next prime is 102220020079. The reversal of 102220020010 is 10020022201.

It can be written as a sum of positive squares in 8 ways, for example, as 59928508809 + 42291511201 = 244803^2 + 205649^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 955584 + ... + 1057156.

Almost surely, 2^102220020010 is an apocalyptic number.

102220020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102220020010 is a deficient number, since it is larger than the sum of its proper divisors (83238664742).

102220020010 is a wasteful number, since it uses less digits than its factorization.

102220020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102378.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 102220020010 its reverse (10020022201), we get a palindrome (112240042211).

The spelling of 102220020010 in words is "one hundred two billion, two hundred twenty million, twenty thousand, ten".