102020722 has 16 divisors (see below), whose sum is σ = 154566720. Its totient is φ = 50501232.

The previous prime is 102020719. The next prime is 102020767. The reversal of 102020722 is 227020201.

It is a junction number, because it is equal to n+sod(n) for n = 102020696 and 102020705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121179 + ... + 122017.

It is an arithmetic number, because the mean of its divisors is an integer number (9660420).

Almost surely, 2^102020722 is an apocalyptic number.

102020722 is a deficient number, since it is larger than the sum of its proper divisors (52545998).

102020722 is a wasteful number, since it uses less digits than its factorization.

102020722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 102020722 is about 10100.5307781324. The cubic root of 102020722 is about 467.2645112146.

Adding to 102020722 its reverse (227020201), we get a palindrome (329040923).

The spelling of 102020722 in words is "one hundred two million, twenty thousand, seven hundred twenty-two".