16202546220 has 96 divisors (see below), whose sum is σ = 51925644288. Its totient is φ = 3697903872.

The previous prime is 16202546197. The next prime is 16202546221. The reversal of 16202546220 is 2264520261.

It is a happy number.

It is a super-2 number, since 2×16202546220² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (16202546221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255849 + ... + 312831.

It is an arithmetic number, because the mean of its divisors is an integer number (540892128).

Almost surely, 2^16202546220 is an apocalyptic number.

16202546220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16202546220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25962822144).

16202546220 is an abundant number, since it is smaller than the sum of its proper divisors (35723098068).

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

16202546220 is a wasteful number, since it uses less digits than its factorization.

16202546220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57679 (or 57677 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 16202546220 in words is "sixteen billion, two hundred two million, five hundred forty-six thousand, two hundred twenty".