7215046020 has 432 divisors, whose sum is σ = 27983434752. Its totient is φ = 1471841280.

The previous prime is 7215046001. The next prime is 7215046021. The reversal of 7215046020 is 206405127.

7215046020 is a `hidden beast` number, since 7 + 2 + 1 + 50 + 4 + 602 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215046021) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6600594 + ... + 6601686.

Almost surely, 2^7215046020 is an apocalyptic number.

7215046020 is a gapful number since it is divisible by the number (70) 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 7215046020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13991717376).

7215046020 is an abundant number, since it is smaller than the sum of its proper divisors (20768388732).

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

7215046020 is a wasteful number, since it uses less digits than its factorization.

7215046020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 7215046020 is about 84941.4269953125. The cubic root of 7215046020 is about 1932.3229048905.

The spelling of 7215046020 in words is "seven billion, two hundred fifteen million, forty-six thousand, twenty".