120230154540 has 72 divisors (see below), whose sum is σ = 370676827248. Its totient is φ = 31535775360.

The previous prime is 120230154491. The next prime is 120230154547. The reversal of 120230154540 is 45451032021.

120230154540 is a `hidden beast` number, since 1 + 202 + 3 + 0 + 1 + 5 + 454 + 0 = 666.

It is a super-2 number, since 2×120230154540² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120230154547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5463982 + ... + 5485941.

Almost surely, 2^120230154540 is an apocalyptic number.

120230154540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120230154540 is an abundant number, since it is smaller than the sum of its proper divisors (250446672708).

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

120230154540 is a wasteful number, since it uses less digits than its factorization.

120230154540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949999 (or 10949994 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 120230154540 its reverse (45451032021), we get a palindrome (165681186561).

The spelling of 120230154540 in words is "one hundred twenty billion, two hundred thirty million, one hundred fifty-four thousand, five hundred forty".