1020213042 has 16 divisors (see below), whose sum is σ = 2058484320. Its totient is φ = 337061312.

The previous prime is 1020213041. The next prime is 1020213049. The reversal of 1020213042 is 2403120201.

It is a super-5 number, since 5×1020213042⁵ (a number of 46 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020213041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751692 + ... + 753047.

It is an arithmetic number, because the mean of its divisors is an integer number (128655270).

Almost surely, 2^1020213042 is an apocalyptic number.

1020213042 is an abundant number, since it is smaller than the sum of its proper divisors (1038271278).

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

1020213042 is a wasteful number, since it uses less digits than its factorization.

1020213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504857.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020213042 is about 31940.7739730896. The cubic root of 1020213042 is about 1006.6927873335.

Adding to 1020213042 its reverse (2403120201), we get a palindrome (3423333243).

The spelling of 1020213042 in words is "one billion, twenty million, two hundred thirteen thousand, forty-two".