1020154420241 has 16 divisors (see below), whose sum is σ = 1162448876160. Its totient is φ = 886739790720.

The previous prime is 1020154420237. The next prime is 1020154420261. The reversal of 1020154420241 is 1420244510201.

It is a cyclic number.

It is not a de Polignac number, because 1020154420241 - 2² = 1020154420237 is a prime.

It is a super-2 number, since 2×1020154420241² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020154420241.

It is not an unprimeable number, because it can be changed into a prime (1020154420261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15491300 + ... + 15557013.

It is an arithmetic number, because the mean of its divisors is an integer number (72653054760).

Almost surely, 2^{1020154420241} is an apocalyptic number.

1020154420241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020154420241 is a deficient number, since it is larger than the sum of its proper divisors (142294455919).

1020154420241 is a wasteful number, since it uses less digits than its factorization.

1020154420241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31048456.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1020154420241 its reverse (1420244510201), we get a palindrome (2440398930442).

The spelling of 1020154420241 in words is "one trillion, twenty billion, one hundred fifty-four million, four hundred twenty thousand, two hundred forty-one".