1020262366536 has 64 divisors (see below), whose sum is σ = 2915238518400. Its totient is φ = 291483214848.

The previous prime is 1020262366511. The next prime is 1020262366537. The reversal of 1020262366536 is 6356632620201.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1020262366537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293776 + ... + 2702208.

It is an arithmetic number, because the mean of its divisors is an integer number (45550601850).

Almost surely, 2^{1020262366536} is an apocalyptic number.

It is an amenable number.

1020262366536 is an abundant number, since it is smaller than the sum of its proper divisors (1894976151864).

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

1020262366536 is a wasteful number, since it uses less digits than its factorization.

1020262366536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423318 (or 423314 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

Adding to 1020262366536 its reverse (6356632620201), we get a palindrome (7376894986737).

The spelling of 1020262366536 in words is "one trillion, twenty billion, two hundred sixty-two million, three hundred sixty-six thousand, five hundred thirty-six".