1549234020 has 24 divisors (see below), whose sum is σ = 4337855424. Its totient is φ = 413129056.

The previous prime is 1549233943. The next prime is 1549234031. The reversal of 1549234020 is 204329451.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 12910224 + ... + 12910343.

It is an arithmetic number, because the mean of its divisors is an integer number (180743976).

Almost surely, 2^1549234020 is an apocalyptic number.

1549234020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1549234020 is an abundant number, since it is smaller than the sum of its proper divisors (2788621404).

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

1549234020 is a wasteful number, since it uses less digits than its factorization.

1549234020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25820579 (or 25820577 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1549234020 is about 39360.3102121922. The cubic root of 1549234020 is about 1157.1038583325.

The spelling of 1549234020 in words is "one billion, five hundred forty-nine million, two hundred thirty-four thousand, twenty".