1020002828894 has 16 divisors (see below), whose sum is σ = 1748592614400. Its totient is φ = 437139985464.

The previous prime is 1020002828893. The next prime is 1020002828951. The reversal of 1020002828894 is 4988282000201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020002828893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588727 + ... + 2136365.

It is an arithmetic number, because the mean of its divisors is an integer number (109287038400).

Almost surely, 2^{1020002828894} is an apocalyptic number.

1020002828894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1020002828894 is a deficient number, since it is larger than the sum of its proper divisors (728589785506).

1020002828894 is a wasteful number, since it uses less digits than its factorization.

1020002828894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680687.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 1020002828894 in words is "one trillion, twenty billion, two million, eight hundred twenty-eight thousand, eight hundred ninety-four".