273998020 has 24 divisors (see below), whose sum is σ = 577546200. Its totient is φ = 109189632.

The previous prime is 273997973. The next prime is 273998063. The reversal of 273998020 is 20899372.

It can be written as a sum of positive squares in 4 ways, for example, as 12787776 + 261210244 = 3576^2 + 16162^2 .

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, 20085 + ... + 30844.

It is an arithmetic number, because the mean of its divisors is an integer number (24064425).

Almost surely, 2^273998020 is an apocalyptic number.

273998020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273998020 is an abundant number, since it is smaller than the sum of its proper divisors (303548180).

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

273998020 is a wasteful number, since it uses less digits than its factorization.

273998020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51207 (or 51205 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 273998020 is about 16552.8855490516. The cubic root of 273998020 is about 649.5049643027.

The spelling of 273998020 in words is "two hundred seventy-three million, nine hundred ninety-eight thousand, twenty".