6215332420 has 48 divisors (see below), whose sum is σ = 14433850368. Its totient is φ = 2229154560.

The previous prime is 6215332411. The next prime is 6215332427. The reversal of 6215332420 is 242335126.

It is a super-2 number, since 2×6215332420² = 77260714182206112800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6215332427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177444 + ... + 209563.

It is an arithmetic number, because the mean of its divisors is an integer number (300705216).

Almost surely, 2^6215332420 is an apocalyptic number.

It is an amenable number.

6215332420 is an abundant number, since it is smaller than the sum of its proper divisors (8218517948).

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

6215332420 is a wasteful number, since it uses less digits than its factorization.

6215332420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387100 (or 387098 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 6215332420 is about 78837.3795860821. The cubic root of 6215332420 is about 1838.6036606044.

Adding to 6215332420 its reverse (242335126), we get a palindrome (6457667546).

The spelling of 6215332420 in words is "six billion, two hundred fifteen million, three hundred thirty-two thousand, four hundred twenty".