1020835200 has 384 divisors, whose sum is σ = 4195088640. Its totient is φ = 211968000.

The previous prime is 1020835187. The next prime is 1020835213. The reversal of 1020835200 is 25380201.

It is an interprime number because it is at equal distance from previous prime (1020835187) and next prime (1020835213).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 738510 + ... + 739890.

It is an arithmetic number, because the mean of its divisors is an integer number (10924710).

Almost surely, 2^1020835200 is an apocalyptic number.

1020835200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020835200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2097544320).

1020835200 is an abundant number, since it is smaller than the sum of its proper divisors (3174253440).

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

1020835200 is a wasteful number, since it uses less digits than its factorization.

1020835200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1020835200 is about 31950.5117329911. The cubic root of 1020835200 is about 1006.8973833906.

The spelling of 1020835200 in words is "one billion, twenty million, eight hundred thirty-five thousand, two hundred".