220150210221020 has 24 divisors (see below), whose sum is σ = 471038374324224. Its totient is φ = 86398573067456.

The previous prime is 220150210220987. The next prime is 220150210221049. The reversal of 220150210221020 is 20122012051022.

It is a super-2 number, since 2×220150210221020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220150210220983 and 220150210221001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103844437724 + ... + 103844439843.

It is an arithmetic number, because the mean of its divisors is an integer number (19626598930176).

Almost surely, 2^{220150210221020} is an apocalyptic number.

220150210221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220150210221020 is an abundant number, since it is smaller than the sum of its proper divisors (250888164103204).

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

220150210221020 is a wasteful number, since it uses less digits than its factorization.

220150210221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207688877629 (or 207688877627 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 220150210221020 its reverse (20122012051022), we get a palindrome (240272222272042).

The spelling of 220150210221020 in words is "two hundred twenty trillion, one hundred fifty billion, two hundred ten million, two hundred twenty-one thousand, twenty".