6212887920 has 140 divisors (see below), whose sum is σ = 21657742536. Its totient is φ = 1656754560.

The previous prime is 6212887913. The next prime is 6212887963. The reversal of 6212887920 is 297882126.

It is a super-3 number, since 3×6212887920³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5055 + ... + 111585.

Almost surely, 2^6212887920 is an apocalyptic number.

6212887920 is a gapful number since it is divisible by the number (60) 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 6212887920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10828871268).

6212887920 is an abundant number, since it is smaller than the sum of its proper divisors (15444854616).

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

6212887920 is a wasteful number, since it uses less digits than its factorization.

6212887920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106562 (or 106541 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 6212887920 is about 78821.8746288110. The cubic root of 6212887920 is about 1838.3625870946.

The spelling of 6212887920 in words is "six billion, two hundred twelve million, eight hundred eighty-seven thousand, nine hundred twenty".