1020672550 has 12 divisors (see below), whose sum is σ = 1898451036. Its totient is φ = 408269000.

The previous prime is 1020672547. The next prime is 1020672581. The reversal of 1020672550 is 552760201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10206676 + ... + 10206775.

It is an arithmetic number, because the mean of its divisors is an integer number (158204253).

Almost surely, 2^1020672550 is an apocalyptic number.

1020672550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020672550 is a deficient number, since it is larger than the sum of its proper divisors (877778486).

1020672550 is a wasteful number, since it uses less digits than its factorization.

1020672550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20413463 (or 20413458 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1020672550 is about 31947.9662889518. The cubic root of 1020672550 is about 1006.8439041224.

The spelling of 1020672550 in words is "one billion, twenty million, six hundred seventy-two thousand, five hundred fifty".