6211299920 has 80 divisors (see below), whose sum is σ = 16906917888. Its totient is φ = 2077639680.

The previous prime is 6211299917. The next prime is 6211299959. The reversal of 6211299920 is 299921126.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

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, 112304 + ... + 158223.

Almost surely, 2^6211299920 is an apocalyptic number.

It is an amenable number.

6211299920 is an abundant number, since it is smaller than the sum of its proper divisors (10695617968).

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

6211299920 is a wasteful number, since it uses less digits than its factorization.

6211299920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270588 (or 270582 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 6211299920 is about 78811.8006392444. The cubic root of 6211299920 is about 1838.2059466516.

The spelling of 6211299920 in words is "six billion, two hundred eleven million, two hundred ninety-nine thousand, nine hundred twenty".