2206867715820 has 36 divisors (see below), whose sum is σ = 6694165405200. Its totient is φ = 588498057504.

The previous prime is 2206867715807. The next prime is 2206867715821. The reversal of 2206867715820 is 285177686022.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2206867715821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6130187920 + ... + 6130188279.

Almost surely, 2^{2206867715820} is an apocalyptic number.

2206867715820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206867715820 is an abundant number, since it is smaller than the sum of its proper divisors (4487297689380).

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

2206867715820 is a wasteful number, since it uses less digits than its factorization.

2206867715820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12260376214 (or 12260376209 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 2206867715820 in words is "two trillion, two hundred six billion, eight hundred sixty-seven million, seven hundred fifteen thousand, eight hundred twenty".