9854455020 has 48 divisors (see below), whose sum is σ = 27601986048. Its totient is φ = 2626948800.

The previous prime is 9854455007. The next prime is 9854455033. The reversal of 9854455020 is 205544589.

It is an interprime number because it is at equal distance from previous prime (9854455007) and next prime (9854455033).

It is a super-2 number, since 2×9854455020² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157245 + ... + 210795.

It is an arithmetic number, because the mean of its divisors is an integer number (575041376).

Almost surely, 2^9854455020 is an apocalyptic number.

It is an amenable number.

9854455020 is an abundant number, since it is smaller than the sum of its proper divisors (17747531028).

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

9854455020 is a wasteful number, since it uses less digits than its factorization.

9854455020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56630 (or 56628 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 9854455020 is about 99269.6077357013. The cubic root of 9854455020 is about 2143.9313284954.

The spelling of 9854455020 in words is "nine billion, eight hundred fifty-four million, four hundred fifty-five thousand, twenty".