2026720730 has 32 divisors (see below), whose sum is σ = 3717686160. Its totient is φ = 795294720.

The previous prime is 2026720723. The next prime is 2026720753. The reversal of 2026720730 is 370276202.

It can be written as a sum of positive squares in 8 ways, for example, as 674908441 + 1351812289 = 25979^2 + 36767^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2026720693 and 2026720702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237986 + ... + 246354.

Almost surely, 2^2026720730 is an apocalyptic number.

2026720730 is a deficient number, since it is larger than the sum of its proper divisors (1690965430).

2026720730 is a wasteful number, since it uses less digits than its factorization.

2026720730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 2026720730 is about 45019.1151623397. The cubic root of 2026720730 is about 1265.5072470887.

Adding to 2026720730 its reverse (370276202), we get a palindrome (2396996932).

The spelling of 2026720730 in words is "two billion, twenty-six million, seven hundred twenty thousand, seven hundred thirty".