1022151040220 has 24 divisors (see below), whose sum is σ = 2166578097264. Its totient is φ = 405039289856.

The previous prime is 1022151040219. The next prime is 1022151040241. The reversal of 1022151040220 is 220401512201.

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 = 1022151040192 and 1022151040201.

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, 238818197 + ... + 238822476.

It is an arithmetic number, because the mean of its divisors is an integer number (90274087386).

Almost surely, 2^{1022151040220} is an apocalyptic number.

1022151040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022151040220 is an abundant number, since it is smaller than the sum of its proper divisors (1144427057044).

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

1022151040220 is a wasteful number, since it uses less digits than its factorization.

1022151040220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477640789 (or 477640787 counting only the distinct ones).

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

Adding to 1022151040220 its reverse (220401512201), we get a palindrome (1242552552421).

The spelling of 1022151040220 in words is "one trillion, twenty-two billion, one hundred fifty-one million, forty thousand, two hundred twenty".