1010020078 has 16 divisors (see below), whose sum is σ = 1529708544. Its totient is φ = 500131800.

The previous prime is 1010020073. The next prime is 1010020079. The reversal of 1010020078 is 8700200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010020073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150903 + ... + 157453.

It is an arithmetic number, because the mean of its divisors is an integer number (95606784).

Almost surely, 2^1010020078 is an apocalyptic number.

1010020078 is a deficient number, since it is larger than the sum of its proper divisors (519688466).

1010020078 is a wasteful number, since it uses less digits than its factorization.

1010020078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1010020078 is about 31780.8130481270. The cubic root of 1010020078 is about 1003.3289319155.

Adding to 1010020078 its reverse (8700200101), we get a palindrome (9710220179).

The spelling of 1010020078 in words is "one billion, ten million, twenty thousand, seventy-eight".