1990772302 has 32 divisors (see below), whose sum is σ = 3105726624. Its totient is φ = 956390400.

The previous prime is 1990772293. The next prime is 1990772321. The reversal of 1990772302 is 2032770991.

It is a super-3 number, since 3×1990772302³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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, 1676553 + ... + 1677739.

It is an arithmetic number, because the mean of its divisors is an integer number (97053957).

Almost surely, 2^1990772302 is an apocalyptic number.

1990772302 is a deficient number, since it is larger than the sum of its proper divisors (1114954322).

1990772302 is a wasteful number, since it uses less digits than its factorization.

1990772302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 1990772302 is about 44618.0714733391. The cubic root of 1990772302 is about 1257.9803669963.

The spelling of 1990772302 in words is "one billion, nine hundred ninety million, seven hundred seventy-two thousand, three hundred two".