220499999999901 has 48 divisors (see below), whose sum is σ = 332902218055680. Its totient is φ = 145844761008240.

The previous prime is 220499999999861. The next prime is 220499999999927. The reversal of 220499999999901 is 109999999994022.

220499999999901 is a `hidden beast` number, since 2 + 20 + 499 + 9 + 9 + 9 + 9 + 9 + 9 + 90 + 1 = 666.

It is not a de Polignac number, because 220499999999901 - 2¹⁵ = 220499999967133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220499999992901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8733916 + ... + 22743818.

It is an arithmetic number, because the mean of its divisors is an integer number (6935462876160).

Almost surely, 2^{220499999999901} is an apocalyptic number.

It is an amenable number.

220499999999901 is a deficient number, since it is larger than the sum of its proper divisors (112402218055779).

220499999999901 is a wasteful number, since it uses less digits than its factorization.

220499999999901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14010428 (or 14010416 counting only the distinct ones).

The product of its (nonzero) digits is 6198727824, while the sum is 90.

The spelling of 220499999999901 in words is "two hundred twenty trillion, four hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred one".