20735542514 has 4 divisors (see below), whose sum is σ = 31103313774. Its totient is φ = 10367771256.

The previous prime is 20735542453. The next prime is 20735542559. The reversal of 20735542514 is 41524553702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16239169489 + 4496373025 = 127433^2 + 67055^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5183885627 + ... + 5183885630.

Almost surely, 2^20735542514 is an apocalyptic number.

20735542514 is a deficient number, since it is larger than the sum of its proper divisors (10367771260).

20735542514 is a wasteful number, since it uses less digits than its factorization.

20735542514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10367771259.

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 20735542514 in words is "twenty billion, seven hundred thirty-five million, five hundred forty-two thousand, five hundred fourteen".