1020155460010 has 16 divisors (see below), whose sum is σ = 1846894165416. Its totient is φ = 405703442368.

The previous prime is 1020155459971. The next prime is 1020155460047. The reversal of 1020155460010 is 100645510201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1009657203489 + 10498256521 = 1004817^2 + 102461^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 294840889 + ... + 294844348.

Almost surely, 2^{1020155460010} is an apocalyptic number.

1020155460010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020155460010 is a deficient number, since it is larger than the sum of its proper divisors (826738705406).

1020155460010 is a wasteful number, since it uses less digits than its factorization.

1020155460010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589685417.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 1020155460010 in words is "one trillion, twenty billion, one hundred fifty-five million, four hundred sixty thousand, ten".