2263551620 has 48 divisors (see below), whose sum is σ = 5225242176. Its totient is φ = 816816000.

The previous prime is 2263551617. The next prime is 2263551677. The reversal of 2263551620 is 261553622.

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, 10451 + ... + 68090.

It is an arithmetic number, because the mean of its divisors is an integer number (108859212).

Almost surely, 2^2263551620 is an apocalyptic number.

2263551620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2263551620 is an abundant number, since it is smaller than the sum of its proper divisors (2961690556).

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

2263551620 is a wasteful number, since it uses less digits than its factorization.

2263551620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78692 (or 78690 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2263551620 is about 47576.7970758856. The cubic root of 2263551620 is about 1312.9961953962.

The spelling of 2263551620 in words is "two billion, two hundred sixty-three million, five hundred fifty-one thousand, six hundred twenty".