10100002020078 has 32 divisors (see below), whose sum is σ = 20278629676800. Its totient is φ = 3353565365696.

The previous prime is 10100002020077. The next prime is 10100002020131. The reversal of 10100002020078 is 87002020000101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100002020077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17658793 + ... + 18221771.

It is an arithmetic number, because the mean of its divisors is an integer number (633707177400).

Almost surely, 2^{10100002020078} is an apocalyptic number.

10100002020078 is an abundant number, since it is smaller than the sum of its proper divisors (10178627656722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10100002020078 is a wasteful number, since it uses less digits than its factorization.

10100002020078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574616.

The product of its (nonzero) digits is 224, while the sum is 21.

Adding to 10100002020078 its reverse (87002020000101), we get a palindrome (97102022020179).

The spelling of 10100002020078 in words is "ten trillion, one hundred billion, two million, twenty thousand, seventy-eight".