1234552554220 has 24 divisors (see below), whose sum is σ = 2592589192704. Its totient is φ = 493815530496.

The previous prime is 1234552554203. The next prime is 1234552554239. The reversal of 1234552554220 is 224552554321.

It is a super-2 number, since 2×1234552554220² (a number of 25 digits) contains 22 as substring.

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, 1838677 + ... + 2418643.

It is an arithmetic number, because the mean of its divisors is an integer number (108024549696).

Almost surely, 2^{1234552554220} is an apocalyptic number.

1234552554220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234552554220 is an abundant number, since it is smaller than the sum of its proper divisors (1358036638484).

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

1234552554220 is a wasteful number, since it uses less digits than its factorization.

1234552554220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686409 (or 686407 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 1234552554220 in words is "one trillion, two hundred thirty-four billion, five hundred fifty-two million, five hundred fifty-four thousand, two hundred twenty".