1020220440141 has 24 divisors (see below), whose sum is σ = 1665666029280. Its totient is φ = 552299785632.

The previous prime is 1020220440137. The next prime is 1020220440227. The reversal of 1020220440141 is 1410440220201.

It is not a de Polignac number, because 1020220440141 - 2² = 1020220440137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020220440101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182636026 + ... + 182641611.

It is an arithmetic number, because the mean of its divisors is an integer number (69402751220).

Almost surely, 2^{1020220440141} is an apocalyptic number.

It is an amenable number.

1020220440141 is a deficient number, since it is larger than the sum of its proper divisors (645445589139).

1020220440141 is a wasteful number, since it uses less digits than its factorization.

1020220440141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365277673 (or 365277666 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1020220440141 its reverse (1410440220201), we get a palindrome (2430660660342).

The spelling of 1020220440141 in words is "one trillion, twenty billion, two hundred twenty million, four hundred forty thousand, one hundred forty-one".