2867121020 has 24 divisors (see below), whose sum is σ = 6066921168. Its totient is φ = 1138092800.

The previous prime is 2867120987. The next prime is 2867121091. The reversal of 2867121020 is 201217682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544541 + ... + 549780.

It is an arithmetic number, because the mean of its divisors is an integer number (252788382).

Almost surely, 2^2867121020 is an apocalyptic number.

2867121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2867121020 is an abundant number, since it is smaller than the sum of its proper divisors (3199800148).

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

2867121020 is a wasteful number, since it uses less digits than its factorization.

2867121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094461 (or 1094459 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2867121020 is about 53545.5041996992. The cubic root of 2867121020 is about 1420.6333582751.

The spelling of 2867121020 in words is "two billion, eight hundred sixty-seven million, one hundred twenty-one thousand, twenty".