1001298020 has 48 divisors (see below), whose sum is σ = 2145456768. Its totient is φ = 392463360.

The previous prime is 1001297989. The next prime is 1001298041. The reversal of 1001298020 is 208921001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197315 + ... + 202325.

It is an arithmetic number, because the mean of its divisors is an integer number (44697016).

Almost surely, 2^1001298020 is an apocalyptic number.

1001298020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001298020 is an abundant number, since it is smaller than the sum of its proper divisors (1144158748).

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

1001298020 is a wasteful number, since it uses less digits than its factorization.

1001298020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220 (or 5218 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1001298020 is about 31643.2934442671. The cubic root of 1001298020 is about 1000.4324862620.

The spelling of 1001298020 in words is "one billion, one million, two hundred ninety-eight thousand, twenty".