101024220 has 48 divisors (see below), whose sum is σ = 308585088. Its totient is φ = 24490560.

The previous prime is 101024219. The next prime is 101024233. The reversal of 101024220 is 22420101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101024196 and 101024205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75874 + ... + 77193.

It is an arithmetic number, because the mean of its divisors is an integer number (6428856).

Almost surely, 2^101024220 is an apocalyptic number.

101024220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101024220 is an abundant number, since it is smaller than the sum of its proper divisors (207560868).

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

101024220 is a wasteful number, since it uses less digits than its factorization.

101024220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153090 (or 153088 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 101024220 is about 10051.0805389271. The cubic root of 101024220 is about 465.7381731419.

Adding to 101024220 its reverse (22420101), we get a palindrome (123444321).

The spelling of 101024220 in words is "one hundred one million, twenty-four thousand, two hundred twenty".