1020636150345 has 24 divisors (see below), whose sum is σ = 2021831612736. Its totient is φ = 466576525728.

The previous prime is 1020636150343. The next prime is 1020636150349. The reversal of 1020636150345 is 5430516360201.

1020636150345 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 6 + 3 + 615 + 0 + 34 + 5 = 666.

It is not a de Polignac number, because 1020636150345 - 2¹ = 1020636150343 is a prime.

It is a super-2 number, since 2×1020636150345² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020636150341) 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, 1620057067 + ... + 1620057696.

It is an arithmetic number, because the mean of its divisors is an integer number (84242983864).

Almost surely, 2^{1020636150345} is an apocalyptic number.

1020636150345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020636150345 is a deficient number, since it is larger than the sum of its proper divisors (1001195462391).

1020636150345 is a wasteful number, since it uses less digits than its factorization.

1020636150345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240114781 (or 3240114778 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 1020636150345 in words is "one trillion, twenty billion, six hundred thirty-six million, one hundred fifty thousand, three hundred forty-five".