1020686050 has 24 divisors (see below), whose sum is σ = 1899806976. Its totient is φ = 407988240.

The previous prime is 1020686047. The next prime is 1020686053. The reversal of 1020686050 is 506860201.

It is an interprime number because it is at equal distance from previous prime (1020686047) and next prime (1020686053).

It is not an unprimeable number, because it can be changed into a prime (1020686053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73999 + ... + 86701.

It is an arithmetic number, because the mean of its divisors is an integer number (79158624).

Almost surely, 2^1020686050 is an apocalyptic number.

1020686050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020686050 is a deficient number, since it is larger than the sum of its proper divisors (879120926).

1020686050 is a wasteful number, since it uses less digits than its factorization.

1020686050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14322 (or 14317 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1020686050 is about 31948.1775693075. The cubic root of 1020686050 is about 1006.8483431343.

The spelling of 1020686050 in words is "one billion, twenty million, six hundred eighty-six thousand, fifty".