206220622260 has 48 divisors (see below), whose sum is σ = 597328704000. Its totient is φ = 53095883904.

The previous prime is 206220622249. The next prime is 206220622277. The reversal of 206220622260 is 62226022602.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 59257060 + ... + 59260539.

It is an arithmetic number, because the mean of its divisors is an integer number (12444348000).

Almost surely, 2^206220622260 is an apocalyptic number.

206220622260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206220622260 is an abundant number, since it is smaller than the sum of its proper divisors (391108081740).

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

206220622260 is a wasteful number, since it uses less digits than its factorization.

206220622260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118517640 (or 118517638 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 206220622260 its reverse (62226022602), we get a palindrome (268446644862).

The spelling of 206220622260 in words is "two hundred six billion, two hundred twenty million, six hundred twenty-two thousand, two hundred sixty".