20213434232 has 16 divisors (see below), whose sum is σ = 37916372760. Its totient is φ = 10102401504.

The previous prime is 20213434181. The next prime is 20213434249. The reversal of 20213434232 is 23243431202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519503 + ... + 557054.

Almost surely, 2^20213434232 is an apocalyptic number.

It is an amenable number.

20213434232 is a deficient number, since it is larger than the sum of its proper divisors (17702938528).

20213434232 is a wasteful number, since it uses less digits than its factorization.

20213434232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078910 (or 1078906 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20213434232 its reverse (23243431202), we get a palindrome (43456865434).

The spelling of 20213434232 in words is "twenty billion, two hundred thirteen million, four hundred thirty-four thousand, two hundred thirty-two".