20551707002 has 16 divisors (see below), whose sum is σ = 31267052352. Its totient is φ = 10129405440.

The previous prime is 20551706993. The next prime is 20551707013. The reversal of 20551707002 is 20070715502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392353 + ... + 1407035.

It is an arithmetic number, because the mean of its divisors is an integer number (1954190772).

Almost surely, 2^20551707002 is an apocalyptic number.

20551707002 is a deficient number, since it is larger than the sum of its proper divisors (10715345350).

20551707002 is a wasteful number, since it uses less digits than its factorization.

20551707002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24613.

The product of its (nonzero) digits is 4900, while the sum is 29.

The spelling of 20551707002 in words is "twenty billion, five hundred fifty-one million, seven hundred seven thousand, two".