1869796020 has 24 divisors (see below), whose sum is σ = 5235429024. Its totient is φ = 498612256.

The previous prime is 1869795997. The next prime is 1869796043. The reversal of 1869796020 is 206979681.

It is an interprime number because it is at equal distance from previous prime (1869795997) and next prime (1869796043).

It is a super-2 number, since 2×1869796020² = 6992274312815680800, which contains 22 as substring.

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, 15581574 + ... + 15581693.

It is an arithmetic number, because the mean of its divisors is an integer number (218142876).

Almost surely, 2^1869796020 is an apocalyptic number.

1869796020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1869796020 is an abundant number, since it is smaller than the sum of its proper divisors (3365633004).

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

1869796020 is a wasteful number, since it uses less digits than its factorization.

1869796020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31163279 (or 31163277 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1869796020 is about 43241.1380516286. The cubic root of 1869796020 is about 1231.9641695952.

The spelling of 1869796020 in words is "one billion, eight hundred sixty-nine million, seven hundred ninety-six thousand, twenty".