1020615626414 has 4 divisors (see below), whose sum is σ = 1530923439624. Its totient is φ = 510307813206.

The previous prime is 1020615626363. The next prime is 1020615626449. The reversal of 1020615626414 is 4146265160201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1020615626414² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255153906602 + ... + 255153906605.

It is an arithmetic number, because the mean of its divisors is an integer number (382730859906).

Almost surely, 2^{1020615626414} is an apocalyptic number.

1020615626414 is a deficient number, since it is larger than the sum of its proper divisors (510307813210).

1020615626414 is an equidigital number, since it uses as much as digits as its factorization.

1020615626414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510307813209.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 1020615626414 in words is "one trillion, twenty billion, six hundred fifteen million, six hundred twenty-six thousand, four hundred fourteen".